- Effective
- August 1, 1970
- 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
- 39-1052
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 | 20 KB | 28e05472…18403fa | FAA DRS (API key needed) |
On this page
The airworthiness directive
70-16-04 BOEING: Amdt. 39-1052. Applies to Boeing Model 707/720 Series Airplanes. (Effectivity listed on Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions).
Compliance required within 100 hours time in service after the effective date of this AD unless already accomplished.
To prevent fire caused by failure of the Main Cabin Cove Light Ballast Capacitors deactivate the main cabin cove light circuits until one of the following items has been accomplished:
(1) Relocate all main cabin ballast capacitors to the inboard side of the cove light race way as described in Boeing Service Bulletin No. 2986 dated May 15, 1970, or later FAA approved revisions.
(2) Perform an equivalent modification approved by the Chief, Aircraft Engineering Division, FAA Western Region.
This Amendment becomes effective on August 1, 1970.
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