- Effective
- October 20, 1965
- Models
- 707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series and 4 more
- Registered aircraft
- 6 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-81
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.
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On this page
The airworthiness directive
65-13-01 BOEING: Amdt. 39-81 Part 39 Federal Register June 15, 1965. Applies to Models 707 and 720 Series Aircraft.
Compliance required as indicated unless already accomplished.
Service experience has shown the need for certain modifications in the horizontal stabilizer trim control and position warning systems. Accordingly, accomplish the following:
(a) Within 3,000 hours' time in service after the effective date of this AD:
(1) On Models 707 and 720 Series airplanes listed in Boeing Service Bulletin No. 1699(R-1)B, modify stabilizer trim green band rigging and limit in accordance with Boeing Service Bulletin No. 1699 (R-1)B, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(2) On Model 707 Series airplanes listed in Boeing Service Bulletin No. 1990, modify stabilizer trim electrical limit in accordance with Boeing Service Bulletin No. 1990, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(b) Within 5,000 hours' time in service after the effective date of this AD:
(1) On all Models 707 and 720 Series airplanes, modify stabilizer trim actuator moisture control in accordance with Boeing Service Bulletins Nos. 1854 and 1854A, or later FAA-approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(2) On all Models 707 and 720 Series airplanes, modify actuator assembly secondary brake in accordance with Boeing Service Bulletin No. 1946(R-1), or later FAA- approved revision, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.
This directive effective July 15, 1965.
Revised August 14, 1965.
Revised October 20, 1965.
Affected TCDS · 3
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 6
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 1 |
|---|---|
| 1977 | 1 |
4 with no year recorded