- Effective
- October 7, 1966
- Models
- 727-100 Series, 727-100C Series, 727-200 Series, 727-200F Series, 727 Series, 727C Series
- Data sheet
- TCDSA3WE
- Registered aircraft
- 25 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-285
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 19 KB | 7874dfde…9263628 | FAA DRS (API key needed) |
On this page
The airworthiness directive
66-22-02 BOEING: Amdt. 39-285 Part 39 Federal Register September 7, 1966. Applies to Model 727 Series Airplanes Listed in Boeing Service Bulletin No. 29-22, Dated February 21, 1966.
Compliance required within the next 700 hours' time in service after the effective date of this AD, unless already accomplished.
To prevent failure of the pneumatic brake system due to leaks between the control valve and the brake housing, modify the pneumatic brake system line installation in accordance with Boeing Service Bulletin No. 29-22, dated February 21, 1966, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
This directive effective October 7, 1966.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 25
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1971 | 1 |
|---|---|
| 1973 | 1 |
| 1975 | 2 |
| 1976 | 3 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 5 |
| 1982 | 1 |
7 with no year recorded