# AD 69-25-01: Generator Control Circuit

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 727-200 Series, 727 Series and 727C Series
- Effective: January 3, 1970
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-882
- Registered aircraft: 24 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/831D15F918C3818586256831005D4A92.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/69-25-01

## The airworthiness directive

69-25-01 BOEING: Amdt. 39-882. Applies to Model 727, 727C and 727-200 series airplanes. Compliance required within the next 2500 hours time in service after the effective date of this AD, unless already accomplished. To prevent malfunction of the generator control circuit caused by induced electrical interference, accomplish the following or an equivalent modification procedure and parts installation approved by the Chief, Aircraft Engineering Division, FAA Western Region. Within 2500 hours time in service after the effective date of this AD, unless already accomplished, modify the generator control panels in accordance with Section II, Boeing Service Bulletin No. 24-47, dated March 3, 1969, or later FAA approved revisions. This amendment becomes effective January 3, 1970.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A3WE](https://openairdocs.org/tcds/A3WE): The Boeing Company; names 3 of 6 models: 727 Series, 727-200 Series, 727C Series

## 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: 24 (24 by airframe model, 0 by engine model)
- Makers: Boeing 24

Models with the most aircraft:

- [Boeing 727-223](https://openairdocs.org/model/boeing-727-223): 9 aircraft (airframe model)
- [Boeing 727-227](https://openairdocs.org/model/boeing-727-227): 4 aircraft (airframe model)
- [Boeing 727-225](https://openairdocs.org/model/boeing-727-225): 2 aircraft (airframe model)
- [Boeing 727-200](https://openairdocs.org/model/boeing-727-200): 1 aircraft (airframe model)
- [Boeing 727-212](https://openairdocs.org/model/boeing-727-212): 1 aircraft (airframe model)
- [Boeing 727-230](https://openairdocs.org/model/boeing-727-230): 1 aircraft (airframe model)
- [Boeing 727-232](https://openairdocs.org/model/boeing-727-232): 1 aircraft (airframe model)
- [Boeing 727-243](https://openairdocs.org/model/boeing-727-243): 1 aircraft (airframe model)
- [Boeing 727-247](https://openairdocs.org/model/boeing-727-247): 1 aircraft (airframe model)
- [Boeing 727-264](https://openairdocs.org/model/boeing-727-264): 1 aircraft (airframe model)
- [Boeing 727-281](https://openairdocs.org/model/boeing-727-281): 1 aircraft (airframe model)
- [Boeing 727-277](https://openairdocs.org/model/boeing-727-277): 1 aircraft (airframe model)

All 12 models: https://openairdocs.org/ad/69-25-01/models.md
Every aircraft: https://openairdocs.org/ad/69-25-01/aircraft.md

Its text cites no advisory circulars or STCs.

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