| AD Number | 75-20-07 | Status | Active |
| Effective Date | September 22, 1975 | Issue Date | September 15, 1975 |
| Docket Number | Unknown | Amendment | 39-2373 |
| Product Type | ["Aircraft"] | Product Subtype | ["Small Airplane"] |
| CFR Part | --- - Part 39 | CFR Section | --- - _EMPTY_ |
| Citation | This information is not available. | ||
| Manufacturer(s) | Piper Aircraft Inc. |
| Model(s) | PA-36-285 |
75-20-07 PIPER: Amendment 39-2373. Applies to PA-36-285 serial numbers 36- 7560001 through 36-7560121 inclusive.
Compliance required within the next 10 hours time in service after the effective date of this airworthiness directive.
To determine proper installation of the front bearing plate bolt on the control system torque tube accomplish the following:
a. Remove fuselage belly panel directly beneath the pilot seat.
b. Refer to figure 5-1, sketch A of PA-36 Service Manual and locate front bearing plate to torque tube attachment bolt.
c. Insure 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.
d. If proper thread engagement is not found, remove forward bolt (item 14) and install proper length bolt (AN4-13A or equivalent).
e. Recheck controls for proper operation.
This amendment becomes effective September 22, 1975.