# AD 66-24-01: Stabilizer Trim System Brake

- Type: Airworthiness directive
- Status: Current
- Products: Boeing 727-100 Series, 727-100C Series, 727-200 Series, 727-200F Series, 727 Series and 727C Series
- Effective: October 22, 1966
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-290
- Registered aircraft: 25 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/02021BEF33E76A4F8625682E005AD80C.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/66-24-01

## The airworthiness directive

66-24-01 BOEING: Amdt. 39-290 Part 39 Federal Register September 22, 1966. Applies to Model 727 Series Airplanes.

Compliance required within the next 2,500 hours' time in service after the effective date of this AD, unless already accomplished.

Modify stabilizer trim system brake, Boeing P/N 10-60822-1, Western Gear P/N 4472R155, Western Gear Serial Numbers 101 through 225 in accordance with paragraph (2) of Western Gear Service Bulletin "Flight Controls-Stabilizer Brake Assembly Western Gear P/N 4472R155 Install Additional Spacers Under Pawls."

This directive effective October 22, 1966.

## 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 6 of 6 models: 727-100 Series, 727 Series, 727-200 Series, 727-100C Series, 727-200F 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: 25 (25 by airframe model, 0 by engine model)
- Makers: Boeing 25

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 727-200F](https://openairdocs.org/model/boeing-727-200f): 1 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 13 models: https://openairdocs.org/ad/66-24-01/models.md
Every aircraft: https://openairdocs.org/ad/66-24-01/aircraft.md

Its text cites no advisory circulars or STCs.

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