AD/LYC/111 - Lycoming Engines Last Overhauled by Provence Aero Maintenance France

The AD rests on three core concepts stated in the text: applicability, information-gathering, and mandatory inspection/restoration. Applicability is defined narrowly by the overhaul organisation and date: all Textron Lycoming piston engines "last overhauled on or after 01 October 1997 by Provence Aéro Maintenance, France", and all engine parts for Textron Lycoming piston engines "released on or after 01 October 1997 by Provence Aéro Maintenance, France" (Applicability). The directive identifies two physical addresses in France at which Provence Aéro Maintenance has been operating, thereby anchoring the applicability to a specific vendor and time window (Note 1).

The information-gathering requirement (Requirement 1) operationalises a regulatory trace and triage. Owners/operators must forward to DGAC SFACT / N.ME, by fax to the specific international number given (0011-33-1-5809-4319), the following items: a copy of the JAA Form 1, flight hours since last overhaul, maintenance details since the last overhaul, and details of significant maintenance actions including any findings of improperly performed work and remedial steps. The stated objective of this data collection is to enable DGAC to advise a "last date for conformity inspection and serviceability restoration". The AD therefore places on affected parties the duty to compile records that will allow a regulator to determine a remediation timeline.

The mandatory inspection and restoration (Requirement 2) requires physical action: affected engine(s) and engine part(s) must be sent to a "CASA approved engine overhaul shop" for a conformity inspection and restoration. The AD sets a two-stage compliance timetable: the information submission within 30 days, and the physical inspection/restoration either as advised by DGAC or within 90 days after the AD’s effective date, whichever is later. There is an escalation route specified: if no response is received from DGAC within 30 days after completing Requirement 1, the owner/operator must contact CASA by fax (02-62171442) or by email (airworthiness.directives@casa.gov.au) and provide all the same information.

Underlying these operational steps is the AD’s safety premise as set out in the Background: an investigated engine failure at low life (192 flight hours since last overhaul) revealed multiple non-conformities, including an improperly assembled crankshaft counterweight bearing and various incorrectly specified or installed fasteners, leading to the French DGAC cancelling the JAR 145 approval for Provence Aéro Maintenance. The AD treats the DGAC action and the identified non-conformities as evidence of a systemic risk that justifies targeted inspection and restoration of engines and parts associated with this overhaul provider and date range.

Primary affected parties are owners and operators of Textron Lycoming piston engines that were last overhauled by Provence Aéro Maintenance, France on or after 01 October 1997, and anyone operating aircraft containing engine parts released by Provence Aéro Maintenance on or after that date. The AD is explicitly targeted at those specific engines and parts (Applicability). The directive also affects maintenance organisations and CASA-approved engine overhaul shops that will perform the required conformity inspections and restoration (Requirement 2), because these shops will be required to accept, inspect and restore affected engines and parts to an airworthy standard.

Regulators and the overhaul supplier are implicated. The French DGAC is a recipient of required information and responsible for advising the "last date for conformity inspection and serviceability restoration" (Requirement 1). The AD refers to French DGAC Airworthiness Directive F-2005-023 and records the DGAC’s administrative action of cancelling Provence Aéro Maintenance’s JAR 145 approval following the investigation (Background). This situates the DGAC as a decision-maker whose response determines the schedule for inspections and restoration. CASA is an enforcement and coordination point for Australian operators: the AD is issued by CASA and directs operators to contact CASA if DGAC does not respond within 30 days (Compliance). CASA-approved overhaul shops are named as the destinations for the required conformity inspections and restoration.

Third-party stakeholders include aircraft owners, operators, lessors, and maintenance record-keepers. The AD requires production of the JAA Form 1 and maintenance history (Requirement 1), so parties who control or retain these records , maintenance organisations, operators, and lessors , must cooperate. Aircraft may be grounded or rendered out of service while engines or parts are shipped to CASA-approved shops, so logistics operators and insurers are materially affected by the downtime and transport arrangements implicit in Requirement 2. The AD identifies two physical addresses for Provence Aéro Maintenance (Note 1), potentially relevant to tracing the provenance of parts.

The AD’s scope does not extend beyond the stated overhaul dates, supplier and engine type in the text. Owners/operators of Lycoming engines overhauled by other organisations or before 01 October 1997 are not captured by the instrument as written. The AD does not specify exemptions or alternative compliance pathways in the text provided, other than the process for contacting CASA if DGAC is unresponsive.

Duties.

• Information submission: Within 30 days after the AD’s effective date, owners/operators of affected engines must submit to DGAC SFACT / N.ME, by fax to 0011-33-1-5809-4319, the following: JAA Form 1 copy; flight hours since last overhaul; details of maintenance done since last overhaul; details on significant maintenance actions, findings of improperly performed work and steps taken for restoration, if any (Requirement 1). This is a mandatory documentary duty that creates a contemporaneous record for regulator-led triage.

• Inspection and restoration: Owners/operators must send affected engine(s) and engine part(s) to a CASA-approved engine overhaul shop for a conformity inspection and any necessary restoration (Requirement 2). The timing is governed by DGAC’s advice or, if DGAC does not set a later date, by 90 days after the AD’s effective date.

• Follow-up if DGAC silent: If no response is received from DGAC within 30 days of providing the information required by Requirement 1, owners/operators must contact CASA on Fax 02-62171442 or email airworthiness.directives@casa.gov.au and provide all the information specified in Requirement 1 (Compliance).

• Timeliness: The AD sets concrete timeframes. Requirement 1, 30 days after the effective date. Requirement 2, as advised by DGAC or by 90 days after the effective date, whichever is later (Compliance). The AD itself becomes effective on 14 April 2005.

Rights and procedural positions.

• Right to a DGAC-determined remediation date: The AD requires submission of information to DGAC to "obtain the last date for conformity inspection and serviceability restoration" (Requirement 1). That phrasing gives DGAC the decisional role of advising the remediation schedule. The owner/operator’s role is to supply the data needed for that decision.

• Right to escalate to CASA: If DGAC does not respond within the specified 30-day window, the AD provides a right to escalate by contacting CASA and supplying the same information (Compliance).

• Right to use CASA-approved shops: The directive prescribes that inspections/restorations must be performed by "CASA approved engine overhaul shop" (Requirement 2). This confines the remedial work to those organisations approved by CASA; operators have the procedural right to choose among CASA-approved shops, subject to availability.

Operational clarifications in the AD text.

• The AD gives precise contact points and document lists. The inclusion of the JAA Form 1 as required evidence explicitly links the duty to the existing maintenance-release documentation regime.

• The AD identifies the suspect overhaul organisation and two addresses where it has operated, and notes that DGAC cancelled JAR 145 approval for Provence Aéro Maintenance due to identified non-conformities (Background). This supports the AD’s traceability and the particularity of the duty.

The AD text contains no text setting out appeal rights, exemptions, or variance procedures within this directive itself. The AD also does not include monetary penalties or sanctions in the printed text; those matters may exist elsewhere in the regulatory framework but are not specified in the AD as provided.

The AD text does not state explicit civil or criminal penalties or specify enforcement sanctions within its body. The directive is framed as mandatory instructions from CASA to owners/operators of affected engines: it prescribes required actions, timing and channels for compliance (Requirement 1; Requirement 2; Compliance), and it sets an effective date (14 April 2005). Enforcement in practice is implicit in the airworthiness regulatory scheme, but the AD as supplied does not enumerate fines, suspension regimes, or other statutory penalties for non-compliance.

Enforcement mechanisms that are explicit in the AD are administrative and supervisory rather than punitive in language. CASA is the issuing authority and the escalation contact point where DGAC does not respond (Compliance). The French DGAC’s administrative cancellation of Provence Aéro Maintenance’s JAR 145 approval (Background) is an example of regulatory enforcement action taken by a foreign regulator against a maintenance organisation; the AD records that cancellation as a factual antecedent and as part of the safety justification.

Operationally, the AD specifies mandatory compliance timelines and directs affected parties to use CASA-approved overhaul shops for inspection and restoration (Requirement 2), which creates practical enforcement pathways: CASA can monitor whether affected engines have had the required conformity inspection and restoration carried out at approved facilities, and whether operators have provided the required documentation to DGAC and, if necessary, to CASA. If operators do not comply with the AD, CASA retains regulatory tools under the broader aviation safety framework (not reproduced in this AD text) to enforce airworthiness requirements. The AD itself does not describe those tools.

The AD also sets an explicit administrative communication protocol: it provides fax and email contact details for DGAC and CASA, and a specified 30-day window to await DGAC response before contacting CASA (Compliance). That protocol reduces uncertainty about whom to notify and when, which is part of the directive’s operational enforcement design. The AD does not attach monetary or licence-related penalties to non-compliance in the text provided, nor does it state a process for seeking a deferred or alternative compliance path within the directive.

This AD interacts directly with regulatory frameworks and documents outside the AD text itself. It references French DGAC Airworthiness Directive F-2005-023 dated 02 February 2005 (Note 2), thereby establishing cross-jurisdictional coordination. The AD makes DGAC the recipient of information and the advisor on remediation timing ("obtain the last date for conformity inspection and serviceability restoration"), which creates a procedural interoperability between CASA as the issuing Australian authority and DGAC as the foreign airworthiness authority for the overhaul organisation (Requirement 1).

The AD relies on existing certification and release documentation processes: it requires a copy of the JAA Form 1 as part of the submission to DGAC. By making the JAA Form 1 a required item, the AD links into the JAA/JAR-based maintenance release documentation regime that documents the last overhaul and parts release. The requirement to use "CASA approved engine overhaul shop" for inspections and restorations ties enforcement and remediation work to CASA’s domestic approval system for maintenance organisations.

The AD records that French DGAC cancelled the JAR 145 approval for Provence Aéro Maintenance as a factual predicate for the AD (Background). That fact affects the legal status of the overhaul supplier under the JAR 145 maintenance-organisation approval framework and indicates a breach of standards that DGAC handled administratively. The cancellation is reported as an outcome of the same investigation that drove the AD.

While the AD prescribes actions to be taken by Australian operators, it does not attempt to change foreign regulatory designations. Instead, it operationally coordinates with DGAC and uses CASA’s domestic approval system for any required corrective maintenance. The AD does not specify how conformity inspections or restorations interact with aircraft operating certificates, continuing airworthiness obligations beyond the directive itself, export/import controls for parts shipped for inspection, or insurance contracts. Those interactions may exist in the broader regulatory and contractual matrix but are not specified in this AD text.

The AD is limited to the engines and parts described and makes no express claim to supersede or amend other laws or directives. It is an instrument that sits in the regulatory stack: it references foreign airworthiness action, depends on standard maintenance release documentation, and directs remediation through domestic approved repair facilities.

The AD text supplied contains no recorded amendments, revocations, or supersessions. The printed document shows the AD identifier (AD/LYC/111), the month/year notation (4/2005), and an effective date of 14 April 2005. It also states that the French DGAC issued Airworthiness Directive F-2005-023 dated 02 February 2005, which the AD references. Beyond those dated entries, the text does not list any later amendments or provide an amendment log.

The AD itself is dated by signature: James Coyne, Delegate of the Civil Aviation Safety Authority, dated 4 March 2005. The effective date is separately recorded as 14 April 2005. The document includes repeat labelling of the AD number and title in several places, but there is no indication within the text provided that the AD was amended after issuance.

Because the source is a single AD document, the absence of an explicit amendment history in the text means practitioners must treat this AD as a standalone directive effective from the stated effective date unless and until CASA issues later ADs or notices that amend, supersede or cancel it. The AD explicitly refers to an external French DGAC AD as part of its provenance, but that foreign AD is not itself an amendment to the CASA AD. The AD’s own compliance dates and requirements are self-contained in the text.

If parties need to know whether any later CASA action amended or rescinded AD/LYC/111, that information does not appear in the supplied text and must be sought from CASA’s AD records or subsequent regulatory publications. The AD in the supplied form provides the initial issuance date, effective date and operative requirements, and does not set out a history of amendments.

The supplied AD text contains no reference to litigation, adjudication, appeals, or legal challenges to the directive or to the underlying French DGAC decision. The Background records an investigation into an engine failure and the administrative outcome that the French DGAC cancelled the JAR 145 approval for Provence Aéro Maintenance, but the AD does not mention any legal proceedings relating to that cancellation or to the events leading to this directive.

Because the AD itself is an administrative safety instrument, the absence of litigation references in the text is not unexpected; the AD records the factual bases relied on and prescribes mandatory remedial steps. Any litigation or appeals that might have arisen from the DGAC action, the overhaul organisation’s response, or operator disputes over compliance costs or operational impacts are not recorded in this document. The AD does not cite case law, judicial review outcomes, or disciplinary proceedings.

For practitioners seeking precedent or litigation outcomes related to these facts, the AD text does not provide such material. The AD is a primary regulatory instrument: if legal disputes existed, they are not documented in the supplied text. Accordingly, this section records that the AD contains no litigation history or references to court or tribunal decisions.

Several practical pitfalls and points of uncertainty follow directly from the AD text.

• Narrow but specific applicability: The AD applies only to Textron Lycoming piston engines last overhauled on or after 01 October 1997 by Provence Aéro Maintenance, and parts released on or after that date by the same organisation. Operators must confirm whether the engine’s "last overhaul" falls within that date range and whether the release of parts by Provence matches the "released on or after" phrasing. There is no alternative carve-out or grandfathering language in the AD.

• Record dependence: The Requirement 1 obligations rely on the existence and accessibility of a JAA Form 1 and maintenance records showing flight hours since last overhaul and maintenance history. If records are lost, incomplete, or ambiguous, the operator still has the duty to submit what they have; the AD does not provide an alternative evidentiary standard in this text.

• International contacts and communication method: The AD specifies sending the information to DGAC SFACT / N.ME by fax to "0011-33-1-5809-4319" (Requirement 1). International fax numbering formats can be a source of error; operators must ensure the number formatting works from their location and that transmissions are verifiable. The AD does not specify an alternative DGAC contact method for direct submission other than the given fax. If no DGAC response is received in 30 days, the AD prescribes contacting CASA by fax 02-62171442 or email airworthiness.directives@casa.gov.au (Compliance). Operators should verify receipt and keep transmission confirmations.

• Timing dependencies: Requirement 2’s deadline is conditional: it is "as per date advised by French DGAC or 90 days after the effective date of this AD, whichever is later" (Compliance). This creates two temporal variables: DGAC’s response time and the AD’s effective date (14 April 2005). Operators must track both dates and be able to prove compliance against the DGAC-advised date or the default 90-day window.

• Scope ambiguity over "parts released": The AD covers "all engine parts for Textron Lycoming piston engines released on or after 01 October 1997 by Provence Aéro Maintenance, France" (Applicability). The AD does not define "released", which could mean released to service, released to stock, sold, or otherwise issued with a release-to-service certificate. This semantic ambiguity could complicate determinations about which parts are affected.

• Logistics and downtime: The AD requires sending engine(s) and engine part(s) to a CASA-approved engine overhaul shop for inspection and restoration. The AD provides no exemptions for in-situ inspection where shipping is impractical. Operators should expect possible aircraft downtime, shipping costs, and lead times at approved overhaul shops. There is no provision in the AD for interim operating limitations pending inspection.

• Reliance on foreign regulator action: The remediation schedule is dependent on DGAC providing a "last date for conformity inspection and serviceability restoration" (Requirement 1). If DGAC’s response is delayed or silent, the default fallback is to contact CASA; however, the AD requires operators to wait 30 days before escalating. This international coordination could introduce operational delay.

• No explicit penalties or alternative compliance pathways: The AD text itself does not specify penalties for non-compliance, nor does it list a procedure for applying for an alternative means of compliance or extension in the AD itself. If operators need an alternative timeframe or approach, the AD text does not provide a process; such requests may need to be handled under broader CASA procedures not described here.

• Two addresses for Provence: The AD lists two addresses for Provence Aéro Maintenance (Note 1). Tracing parts to a specific facility may require cross-referencing records, which could be resource-intensive if provenance is unclear.

• Evidence of systemic issues: The Background lists multiple types of non-conformity observed in the investigated engine, including improperly assembled bearings and non-conforming bolts. That set of issues supports the need for thorough inspections but also raises the risk that many engines or parts within the applicability window could require restoration, increasing aggregate compliance burden.

This section sets out a step-by-step compliance checklist derived from the AD text and practical actions implied by the directive. Follow the AD’s requirements exactly and keep documentary proof of each step.

1. Identify applicability.

   • Confirm whether each Textron Lycoming piston engine or engine part you control was last overhauled or released on or after 01 October 1997 by Provence Aéro Maintenance, France (Applicability). Check maintenance records, the JAA Form 1, invoices and shipping documentation, and the two Provence addresses given in the AD (13728 Marignane; Route des Cravons, 13130 Berre l'Etang).

2. Compile required documentation and data.

   • Prepare a copy of the JAA Form 1 for each affected engine/part.
   • Tabulate flight hours since the last overhaul for each affected engine.
   • Produce a concise record of maintenance performed since the last overhaul.
   • Produce details of any significant maintenance actions, and any findings of improperly performed work and steps taken for restoration (Requirement 1).

3. Submit the information to DGAC.

   • Within 30 days after the AD’s effective date, fax the compiled information to DGAC SFACT / N.ME on the number provided: 0011-33-1-5809-4319 (Requirement 1). Retain fax transmission confirmation and copies of all transmitted documents. If your jurisdiction requires different international dialling prefixes, ensure the correct format is used so the transmission completes.

4. Await DGAC advice on the "last date for conformity inspection and serviceability restoration".

   • Track the 30-day period after submission. If DGAC replies with an advised remediation date, schedule the physical inspections and restorations to meet that date. If DGAC does not provide an advised date within 30 days, proceed to Step 5 (Compliance).

5. Escalate to CASA if DGAC does not respond.

   • If no DGAC response is received within 30 days of the submission, contact CASA on Fax 02-62171442 or email airworthiness.directives@casa.gov.au and provide all the same information specified in Requirement 1. Keep records of your contact with CASA and any acknowledgements or instructions received.

6. Arrange conformity inspection and restoration.

   • Send the affected engine(s) and engine part(s) to a CASA-approved engine overhaul shop for conformity inspection and restoration (Requirement 2). If DGAC has advised a date, meet that schedule. If DGAC did not advise a later date, ensure the work is performed within 90 days after the AD’s effective date (whichever is later) as required by the AD.

7. Document the inspection and restoration outcome.

   • Ensure the CASA-approved shop issues the appropriate maintenance release documentation after restoration. Retain all records, including work orders, parts replaced, certificates of conformity, and any findings of non-conformity discovered during the inspection. Keep these documents with the aircraft/engine’s maintenance records.

8. Operational considerations.

   • Plan for aircraft downtime and logistics required to remove and ship engines or parts to an approved shop. Notify insurers, lessors and other interested parties as required by contractual obligations. Coordinate with CASA-approved shops for lead times and capacity.

9. Monitor for further regulatory guidance.

   • The AD references French DGAC AD F-2005-023. Keep copies of both directives and monitor for any subsequent CASA ADs or notices that amend, extend or clarify compliance steps. If further revisions are published, follow the newer direction.

10. Retain evidence of compliance.

• Keep dated copies of all faxes, emails, acknowledgements from DGAC or CASA, receipts for shipping and repair, and the post-restoration conformity documentation. These records will demonstrate compliance with the AD’s documentary and physical-action requirements.

Follow the AD as written: submit the specified documents, wait for DGAC advice, send engines/parts to CASA-approved shops by the dates set out in the AD, and use the CASA escalation route if DGAC does not respond. The AD does not specify alternative means of compliance within its text, so any proposal to deviate from the prescribed steps should be handled through CASA’s general administrative processes outside the AD’s printed requirements.