# AD 49-27-02: Aileron Bellcrank Castings

- Type: Airworthiness directive
- Status: Current
- Products: FS 2002 PA-14 and PA-12
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 1,342 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D27035C306DF200D8625698B00764060.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/49-27-02

## The airworthiness directive

49-27-02 PIPER: Applies to Model PA-12, Serial Numbers 12-1 and up, and Model PA- 14, Serial Numbers 14-1 Through 14-193.

To be accomplished not later than October 1, 1949.

Several aileron (and flap on Model PA-14) aluminum bellcrank castings (P/N 40092) have been found with cracks across the ears of the forked end. These cracks are believed caused by excessive tightening of the bolt which attaches the push rod to the casting. Inspect the forked end of these bellcrank castings and replace those found cracked.

(Piper Service Bulletin No. 109, dated November 9, 1948, covers this same subject.)

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A-780](https://openairdocs.org/tcds/A-780): FS 2003 Corp.; names 1 of 2 models: PA-12
- [TCDS A-797](https://openairdocs.org/tcds/A-797): FS 2002 Corp.; names 1 of 1 models: PA-14

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 1,342 (1,342 by airframe model, 0 by engine model)
- Makers: Piper 1,342

Models with the most aircraft:

- [Piper PA-12](https://openairdocs.org/model/piper-pa-12): 1,242 aircraft (airframe model)
- [Piper PA-14](https://openairdocs.org/model/piper-pa-14): 100 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/49-27-02/models.md
Every aircraft: https://openairdocs.org/ad/49-27-02/aircraft.md

Its text cites no advisory circulars or STCs.

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