Federal Register of Legislation - Australian Government

Primary content

AD/PA-31/132 Flap Extension System

Authoritative Version
AD/PA-31/132 Airworthiness Directives as made
This instrument addresses an unsafe condition with the flaps on Piper PA-31 aircraft by mandating compliance with the requirements of FAA AD 82-27-13 R2.
Administered by: Infrastructure, Transport, Regional Development and Communications
Exempt from sunsetting by the Legislation (Exemptions and Other Matters) Regulation 2015 s12 item 15
Registered 28 Jan 2020
Tabling HistoryDate
Tabled HR04-Feb-2020
Tabled Senate04-Feb-2020

On the effective date specified below, and for the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.001 (1) of CASR. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct an unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Piper PA-31 Series Aeroplanes


Flap Extension System




All Piper PA-31, PA-31-300, PA-31-325, PA-31-350, PA-31T, PA-31T1 and
PA-31P Models.


Carry out the requirements contained in FAA AD 82-27-13 R2 as in force from time to time (the requirement document).

Note 1:  Where the requirement document states that the FAA has approved an equivalent method of compliance with a provision of the requirement document, the method of compliance is approved as a means of compliance with this AD in relation to that provision.

Note 2:  The following Piper Service Documents refer:

Piper Service Bulletin 739

Piper Service Bulletin 741

Piper Service Bulletin 494B

Piper Service Letter 764A

Piper Service Letter 958

Piper Service Letter 959


As indicated in the requirement document unless already accomplished.


This AD commences on 29 February 2020.


This AD replaces the requirements of CASA Airworthiness Directives AD/PA-31/51 Amdt 1, AD/PA-31/101 Amdt 4, and AD/PA-31/102 Amdt 3 which are cancelled, and mandates the requirements of FAA AD 82-27-13 R2.

Delegate of the Civil Aviation Safety Authority

21 January 2020