Commonwealth legislation

AD/PA-36/9 - Control System Torque Tube Front Bearing Plate Attachment Bolt - Inspection

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Commonwealth

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legislative instrument

Plain English Summary

3/10 complexity

This airworthiness directive requires owners/operators of Piper PA-36-285 aircraft (S/N 36-7560001 to 36-7560121) to inspect the torque-tube front bearing-plate attachment bolt, ensure at least 1½ threads are visible in the barrel nut and the bolt is tight, and replace it with AN4-13A (or equivalent) if not. Compliance is within 10 hours time-in-service after 31 October 1975.

It affects only the listed serial-numbered aircraft; operators must remove the fuselage belly panel to inspect and bear the cost of any replacement parts and labour.

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AD/PA-36/9 - Control System Torque Tube Front Bearing Plate Attachment Bolt - Inspection

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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Piper PA-36 (Pawnee Brave) Series Aeroplanes

AD/PA-36/9 Control System Torque Tube Front Bearing Plate

Attachment Bolt - Inspection

Applicability: All models PA-36-285 with S/Nos. 36-7560001 to 36-7560121.

12/75

Requirement: To determine proper installation of the front bearing plate bolt on the control system torque tube accomplish the following:

Remove fuselage belly panel directly beneath the pilot seat.

2. Refer to figure 5-1, sketch A of PA-36 Service Manual and locate front bearing plate to torque tube attachment bolt.

3. Ensure bolt (item 14) is tight and exhibits proper thread engagement in barrel nut (visible through aperture in torque tube): a minimum of 1 1/2 threads should be visible.

4. If proper thread engagement is not found, remove forward bolt (item 14) and install proper length bolt (AN4-13A or equivalent).

5. Recheck controls for proper operation; or FAA AD 75-20-07 Amendment 39-2373.

Compliance: Within 10 hours time in service after 31 October 1975.

Source text

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