# AD 72-17-05: Electric Trim Switch

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-28-180, PA-28-235, PA-28R-180, PA-28R-200, PA-32-260 and PA-32-300
- Effective: August 15, 1972
- Published: August 8, 1972
- Issued: July 31, 1972
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-1499
- Registered aircraft: 7,765 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7C78D39A81DB68138625699900511CFA.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/72-17-05

## The airworthiness directive

72-17-05 PIPER AIRCRAFT: Amendment 39-1499. Applies to Model PA-28-180 airplanes, Serial Nos. 28-4378 to 28-5859 inclusive, 28-7105001 to 28-7105122 inclusive; Model PA-28R-180 airplanes, Serial Nos. 28R-30005 to 28R-31270 inclusive, 28R-7130001 to 28R-7130005 inclusive; Model PA-28R-200 airplanes, Serial Nos. 28R-35001 to 28R-35820 inclusive, 28R-7135001 to 28R-7135102 inclusive; Model PA-28-235 airplanes, Serial Nos. 28-11040 to 28-11378 inclusive, 28-7110001 to 28-7110011 inclusive; Model PA-32-260 airplanes, Serial Nos. 32-1111 to 32-1297 inclusive, 32-7100001 to 32-7100017 inclusive; Model PA-32-300 airplanes, Serial Nos. 32-40566 to 32-40974 inclusive, 32-7140001 to 32-7140049 inclusive.

Compliance required within the next 100 hours time in service after effective date of the Airworthiness Directive unless already accomplished.

Modify the Electric Trim Switch P/N 800452-00 to -01 in accordance with Piper Kit No. 760-517V for the PA-28 series airplanes and the PA-32 series airplanes as referenced in Piper Service Bulletin No. 332 dated April 16, 1971 or equivalent method approved by Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.

This amendment becomes effective August 15, 1972.

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 2A13](https://openairdocs.org/tcds/2A13): Piper Aircraft Inc.; names 4 of 18 models: PA-28R-180, PA-28R-200, PA-28-180, PA-28-235
- [TCDS A3SO](https://openairdocs.org/tcds/A3SO): Piper Aircraft Inc.; names 2 of 13 models: PA-32-300, PA-32-260

## 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: 7,765 (7,765 by airframe model, 0 by engine model)
- Makers: Piper 7,764, Piper/Valdes-Ervin 1

Models with the most aircraft:

- [Piper PA-28-180](https://openairdocs.org/model/piper-pa-28-180): 3,504 aircraft (airframe model)
- [Piper PA-28R-200](https://openairdocs.org/model/piper-pa-28r-200): 1,223 aircraft (airframe model)
- [Piper PA-32-300](https://openairdocs.org/model/piper-pa-32-300): 992 aircraft (airframe model)
- [Piper PA-28-235](https://openairdocs.org/model/piper-pa-28-235): 859 aircraft (airframe model)
- [Piper PA-32-260](https://openairdocs.org/model/piper-pa-32-260): 650 aircraft (airframe model)
- [Piper PA-28R-180](https://openairdocs.org/model/piper-pa-28r-180): 536 aircraft (airframe model)
- [Piper/Valdes-Ervin PA-28-235](https://openairdocs.org/model/piper-valdes-ervin-pa-28-235): 1 aircraft (airframe model)

All 7 models: https://openairdocs.org/ad/72-17-05/models.md
Every aircraft: https://openairdocs.org/ad/72-17-05/aircraft.md

Its text cites no advisory circulars or STCs.

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