{"id":"F2008L04688","name":"AD/LC40/2 Amdt 1 - Aileron and Elevator Linear Bearings","slug":"ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":121064,"registerId":"commonwealth-F2008L04688-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Columbia (formerly Lancair) LC40, LC41 a","sectionType":"division","heading":"Columbia (formerly Lancair) LC40, LC41 and LC42 Series Aeroplanes","content":"### Columbia (formerly Lancair) LC40, LC41 and LC42 Series Aeroplanes\n\n| AD/LC40/2 Amdt 1 | Aileron and Elevator Linear Bearings | 2/2009 TX |\n| ---------------- | ------------------------------------ | --------- |\n\n| Applicability: | Columbia Aircraft Manufacturing (previously the Lancair Company) aircraft:LC40-550FG S/N 40001 through S/N 40079;LC41-550FG S/N 41001 through S/N 41800 and S/N 411001 through S/N 411041;LC42-550FG S/N 42001 through S/N 42569 and S/N 421001 through S/N 421006.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |\n| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | 1. Insert Appendix A of Columbia Mandatory Service Bulletin SB-07-002 dated14 March 2007, or Appendix A of Cessna Mandatory Service BulletinSB-07-002D dated 29 May 2008, into the Limitations section of the Airplane Flight Manual (AFM).The operator holding at least a private pilot certificate may do the AFM amendment. Make an entry in the aircraft records showing compliance with this Requirement of this AD.2. Access and inspect the aileron and elevator linear bearings on both wings for foreign object debris following Columbia Mandatory Service BulletinSB-07-002, or Cessna Mandatory Service Bulletin SB-07-002D, and FAA approved maintenance procedures.The appropriate maintenance manual contains these procedures.3. Remove any debris found during any inspection required in Requirement 2 of this AD following Columbia Mandatory Service Bulletin SB-07-002, or Cessna Mandatory Service Bulletin SB-07-002D, and FAA approved maintenance procedures.The appropriate maintenance manual contains these procedures.4. Inspect the aileron and elevator control rods for scarring or damage near the linear bearings following Columbia Mandatory Service Bulletin SB-07-002, or Cessna Mandatory Service Bulletin SB-07-002D, and FAA approved maintenance procedures.The appropriate maintenance manual contains these procedures. |\n\n|             | 5. Repair any scarring or damage found during the inspection detailed in Requirement 4 of this AD following Columbia Mandatory Service BulletinSB-07-002, or Cessna Mandatory Service Bulletin SB-07-002D, and FAA approved maintenance procedures.The appropriate maintenance manual contains these procedures.The manufacturer may need to be contacted to obtain a repair scheme.Alternative Means Of ComplianceFor the inspections detailed in Requirements 2 and 4 of this AD, a linear bearing access panel may be installed instead of drilling an inspection hole. If the hole has previously been drilled, the access panel may also be installed in addition to the inspection hole. This can be done in accordance with Cessna Mandatory Service Bulletin SB-07-018 dated 29 May 2008.Note: FAA AD 2007-07-06R1 Amdt 39-15713 dated 21 October 2008 refers. |\n| ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Compliance: | For Requirement 1 - Before further flight after the effective date of this AD, unless previously accomplished.For Requirement 2 - Remains unchanged as detailed in the original issue of this AD as: Initially within the next 35 flight hours after 30 April 2007, unless previously accomplished, thereafter at intervals not to exceed 12 calendar months.For Requirement 3 - Before further flight after the effective date of this AD.For Requirement 4 - Remains unchanged as detailed in the original issue of this AD as: Initially within the next 35 flight hours after 30 April 2007, unless previously accomplished, thereafter at intervals not to exceed 12 calendar months.For Requirement 5 - Before further flight after the effective date of this AD.                                                                                               |\n|             | This Amendment becomes effective on 19 December 2008.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |\n| Background: | This AD is the result of reports of possible foreign object contamination of the linear bearings. The issuing of this AD is to prevent jamming in the aileron and elevator control systems, which could result in failure. This failure could lead to loss of control.This amendment changes the serial number of the aircraft affected by the AD. Cessna approved data has also been added to the approved data detailed in the various requirements.                                                                                                                                                                                                                                                                                                                                                                                                                 |\n\n|     | The original issue of this AD became effective on 30 April 2007. |\n| --- | ---------------------------------------------------------------- |\n\n![](image.001.png)  \nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n15 December 2008","sortOrder":0},{"sectionNumber":"AD/LC40/2 Amdt 1","sectionType":"part","heading":"AD/LC40/2 Amdt 1","content":"## AD/LC40/2 Amdt 1","sortOrder":1},{"sectionNumber":"Aileron and Elevator Linear Bearings","sectionType":"part","heading":"Aileron and Elevator Linear Bearings","content":"## Aileron and Elevator Linear Bearings","sortOrder":2},{"sectionNumber":"2/2009 TX","sectionType":"part","heading":"2/2009 TX","content":"## 2/2009 TX","sortOrder":3}],"analysis":{"flash_summary":{"complexity_score":6,"scope_assessment":{"changed":true,"description":"This amendment modifies the original AD by changing the serial-number ranges of affected aircraft and by adding Cessna-approved data to the list of approved procedures for inspections and repairs (Background). The original AD became effective 30 April 2007; this amendment effective 19 December 2008 updates affected serials and approved data sources."},"complexity_factors":["Multiple affected serial-number ranges across three models (LC40, LC41, LC42) increases identification and compliance tracking burden (Applicability).","Cross-references to multiple external documents: Columbia Mandatory SB-07-002, Cessna Mandatory SB-07-002D, Cessna SB-07-018, and FAA maintenance procedures create dependency on third‑party approvals and versions (Requirement 1–5; Alternative Means Of Compliance).","Different types of actions required: AFM amendment, access/inspection, debris removal, rod inspection, repairs, and record entry impose mixed administrative and hands‑on maintenance tasks (Requirements 1–5).","Varied timing rules: some inspections follow the original AD timing (initial within 35 flight hours then 12‑month intervals), while other actions must be done before further flight, complicating scheduling (Compliance).","Alternative compliance option (install access panel) introduces a choice with its own installation procedures and potential additional cost (Alternative Means Of Compliance).","Repairs may require manufacturer involvement to obtain a repair scheme, adding time and potential extra cost and procedural coordination (Requirement 5).","Operator‑performed AFM amendment allowed if holder has at least a private pilot certificate reduces some maintenance burden but shifts responsibility to operator (Requirement 1).","Record‑keeping obligation to log compliance creates an ongoing administrative duty for operators (Requirement 1).","Safety‑critical nature (ailerons/elevators) raises the consequences of non‑compliance and may require higher‑standard maintenance oversight (Background; Requirements 2–5).","Reference to an FAA AD (FAA AD 2007-07-06R1) creates regulatory interplay across authorities that operators must monitor (Alternative Means Of Compliance note)."],"plain_english_summary":"This AD requires operators of specified Columbia LC40/LC41/LC42 serial-numbered aeroplanes to amend the Airplane Flight Manual and to inspect, remove foreign debris from, and repair aileron and elevator linear bearings and adjacent control rods using Columbia or Cessna service-bulletin procedures (or FAA-approved maintenance procedures). An access panel may be fitted instead of drilling an inspection hole. The stated purpose is to prevent bearing contamination that could jam controls and cause loss of control. Operators/owners pay for and arrange inspections, repairs and record entries; a private‑pilot‑certificate holder may make the AFM amendment."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":true,"description":"This is Amendment 1 to an existing AD. The original AD (effective 30 April 2007) has been expanded to include additional serial numbers (specifically the 411xxx and 421xxx ranges) and now incorporates Cessna-approved data alongside the original Columbia data. This reflects the manufacturer's acquisition by Cessna and extends the safety mandate to more aircraft than originally covered."},"complexity_factors":["Multiple serial number ranges with gaps (non-contiguous applicability)","Five distinct requirements with different compliance timelines","Cross-references to two different manufacturer service bulletins (Columbia and Cessna) and FAA-approved maintenance procedures","Alternative Means of Compliance (AMOC) provision allowing access panels instead of drilling","Nested conditions: 'unless previously accomplished' clauses and recurring inspection intervals","Dual manufacturer references reflecting corporate ownership change (Lancair → Columbia → Cessna)"],"plain_english_summary":"This AD requires owners/operators of certain Columbia (Lancair) LC40/LC41/LC42 series (about 800 specific serial numbers) to update the flight manual and inspect, clean, and repair wing control linear bearings and nearby control rods to prevent debris-induced aileron or elevator jamming. Compliance is urgent: the flight‑manual update and any cleaning/repairs before next flight (per the AD), with inspections initially within 35 flight hours and annually thereafter."}},"importantCases":[],"_links":{"self":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings","history":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings/history","analysis":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings/analysis","conflicts":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings/conflicts","importantCases":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings/important-cases","documents":"/api/acts/ad-lc40-2-amdt-1-aileron-and-elevator-linear-bearings/documents"}}