- Effective
- October 29, 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
- 39-146
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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| FAA DRS HTML | 22 KB | 98f0b8b9…5a590ee | FAA DRS (API key needed) |
On this page
The airworthiness directive
65-24-02 BOEING: Amdt. 39-146 Part 39 Federal Register September 30, 1965. Applies to Models 707 and 720 Series Airplanes.
Compliance required within the next 1,800 hours' time in service after the effective date of this AD unless already accomplished.
To prevent further false indications of thrust reverser operation as a result of malfunction of the thrust reverser indicating light switch and switch wiring, accomplish the following:
(a) On airplanes equipped with JT3D turbofan engines, modify as follows:
(1) On airplanes modified in accordance with Boeing Service Bulletin No. 1896, dated November 1963, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1896, or an equivalent.
(2) On airplanes not modified in accordance with Boeing Service Bulletin No. 1896, replace each aft thrust reverser indicating light switch with sealed switch, P/N 2HT13, in accordance with Boeing Service Bulletin No. 1884, dated January 1964, or an equivalent.
(3) Interchange the electrical leads on the forward and aft thrust reverser indicating light switches in accordance with Boeing Service Bulletin No. 2170, dated May 1965, or an equivalent.
(b) On airplanes equipped with JT3C or JT4A turbojet engines, modify the thrust reverser indicating light switch wiring by interchanging the electrical leads in accordance with Boeing Service Bulletin No. 2170 or an equivalent.
(c) Approval of any equivalent shall be processed through the Aircraft Engineering Division, FAA Western Region.
This directive effective October 29, 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