# AD 47-47-04: Starter Solenoid Replacement

- Type: Airworthiness directive
- Status: Current
- Products: FS 2003 PA-12
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 1,242 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/07DA8A0FFC0FE4038625698B00763B9A.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/47-47-04

## The airworthiness directive

47-47-04 PIPER: (Was Mandatory Note 8 of AD-780-3.) Applies to PA-12 Aircraft Serial Numbers 12-1 to 12-1989 Inclusive, 12-1991 to 12-1993 Inclusive, 12-1997, 12-1999, 12- 2001 to 12-3443 Inclusive, 12-3461 to 12-3465 Inclusive, 12-3481, 12-3535 to 12-3542 Inclusive, 12-3553, 12-3901, 12-3903 to 12-3934 Inclusive, 12-3936, 12-3940, 12-3941, 12-3943 to 12-3954 Inclusive, 12-3961, 12-3964 to 12-3970 Inclusive, 12-3988.

Compliance required prior to February 1, 1948.

To prevent possible malfunctioning of the starter solenoid and damage to the starter cable installation, the following changes shall be accomplished as soon as practicable:

1. The starter solenoid, P/N 1456 shall be replaced by the solenoid, P/N 1453, or P/N 1464.

2. To eliminate the possibility of pinching by the landing gear, the starter cable installation, running from the starter solenoid forward under the fuselage to the engine, shall be rerouted in accordance with Piper Drawing SK-206.

(Piper Service Bulletin No. 102 dated October 6, 1947, covers this same subject.)

## Affected data sheets (1) (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

## 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: 1,242 (1,242 by airframe model, 0 by engine model)
- Makers: Piper 1,242

Models with the most aircraft:

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

All 1 models: https://openairdocs.org/ad/47-47-04/models.md
Every aircraft: https://openairdocs.org/ad/47-47-04/aircraft.md

Its text cites no advisory circulars or STCs.

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