Commonwealth legislation

AD/CON/52 Amdt 1 - Crankshaft Bearing Integrity and Piston Pin Replacement

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Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

This CASA airworthiness directive requires operators of TCM TSIO-520BE (SN 528001–528337) and TSIO-520CE (SN 530001–530140) engines to carry out the actions in TCM Service Bulletins M87-25 and M87-26 before the next flight after 12 January 1988. Issued after multiple crankshaft and piston‑pin failures, it makes the manufacturer’s inspection/repair procedures mandatory; owners/operators bear the costs and face potential grounding, parts and scheduling risks.

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Current sections

Direct links to the current provisions in AD/CON/52 Amdt 1 - Crankshaft Bearing Integrity and Piston Pin Replacement.

AD/CON/52 Amdt 1 - Crankshaft Bearing Integrity and Piston Pin Replacement

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Teledyne Continental Motors Piston Engines

AD/CON/52

Amdt 1

Crankshaft Bearing Integrity and Piston Pin Replacement

8/88

Applicability: TSIO-520BE engines, S/N 528001 through 528337, and TSIO-520CE engines S/N 530001 through 530140.

Requirement: Action in accordance with TCM SB's M87-25 and M87-26 as applicable.

Note: FAA AD 87-26-08 Amdt 39-5883 refers.

Compliance: Before further flight after 12 January 1988.

Background: This Directive has been raised following advice of 7 crankshaft and 6 piston pin failures in TSIO-520BE engines. Amendment 1 includes reference to TSIO-520CE engines as this model has parts in common with the "BE" and operates in a similar environment. This Directive supersedes AD/CON/48 which has been cancelled.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.

1 AD/CON/52 Amdt 1 - Crankshaft Bearing Integrity and Piston Pin Replacement