AD/PA-31/76 Amdt 5 - Elevator Down Spring (Cth)

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

Piper PA-31 Series Aeroplanes

AD/PA-31/76 Amdt 5

Elevator Down Spring 8/98

Applicability: Models Serial Numbers

PA-31, PA-31-300, and PA-31-325 31-2 through 31-8312019 PA-31-350 31-5001 through 31-8553002 PA-31P 31P-1 through 31P7730012

Requirement: 1. For any affected aircraft incorporating a Piper part number (P/N) 42377-02 elevator down spring where the down spring has 900 hours time in service or less, inspect the elevator down spring for cracks or surface deformities in accordance with the Accomplishment Instructions section of Piper Aircraft Service Bulletin 626C.

If any cracks or surface deformities are found during any inspection, accomplish the following:

(a) For all affected Models PA-31, PA-31-300, PA-31-325, and PA-31-350 aircraft, replace the elevator spring link with a Piper P/N 71086-03 spring link.

(b) For all the affected aircraft, replace the elevator down spring with a Piper P/N 71056-02 or P/N 71056-03 elevator down spring. Accomplish this in accordance with Section IV, Surface Controls, of the applicable maintenance manual.

2. Accomplish the following:

(a) For all affected Models PA-31, PA-31-300, PA-31-325, and PA-31-350 aircraft, replace the elevator spring link with a Piper P/N 71086-03 spring link in accordance with Section IV, Surface Controls, of the applicable maintenance manual.

(b) For all affected aircraft, replace the elevator down spring with a Piper P/N 71056-02 or 71056-03 spring in accordance with the following:

(i) For all affected Models PA-31, PA-31-300, PA-31-325, and PA-31-350, accomplish this replacement in accordance with Section IV, Surface Controls, of the applicable maintenance manual.