- Effective
- July 23, 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
- 39-90
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 | 23 KB | 313141e2…796fb4f | FAA DRS (API key needed) |
On this page
The airworthiness directive
65-14-03 BOEING: Amdt. 39-90 Part 39 Federal Register June 23, 1965. Applies to Models 707 and 720 Series Aircraft Noted in Boeing Service Bulletin No. 2073(R-1).
Compliance required as indicated.
Investigation of a recent failure of the nose gear drag brace lock rod upper attachment bolt, which resulted in the affected aircraft landing with the nose gear retracted, indicates that this bolt is susceptible to fatigue failures and requires replacement.
(a) Bolt P/N BAC B30ABP6-37 shall be replaced as follows:
(1) Bolts having 5,400 or more hours' time in service on the effective date of this AD shall be replaced in accordance with paragraph (3) within 600 hours' time in service after the effective date of this AD.
(2) Bolts having less than 5,400 hours' time in service on the effective date of this AD shall be replaced in accordance with paragraph (3) prior to the accumulation of 6,000 hours' time in service.
(3) Replace nose gear drag brace lock rodupper attachment bolts P/N BAC B30ABP6-37 with a new bolt of the same part number or with Standard Pressed Steel Company bolt SFH 22-6-35, Voi-Shan Mfg. Co. bolt VS 2545H6F35T, or a bolt approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(4) Bolts P/N BAC B30ABP6-37 installed in accordance with (3) shall be repetitively replaced thereafter within each 6,000 hours' time in service from the last replacement unless they are replaced with Standard Pressed Steel Co., bolt SFH 22-6-35, Voi-Shan Mfg. Co. bolt VS 2545H6F35T, or a bolt approved by the Chief, Aircraft Engineering Division, FAA Western Region.
(b) Operators who have not kept records of hours' time in service on nose gear drag brace lock rod upper attachment bolts shall substitute airplane hours' time in service in lieu thereof.
(Boeing Service Bulletin No. 2073 (R-1) covers this same subject.)
This directive effective July 23, 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