- Effective
- October 9, 1980
- Models
- 747-100 Series, 747-100B Series, 747-100B SUD Series, 747-200B Series, 747-200C Series, 747-200F Series and 6 more
- Data sheet
- TCDSA20WE
- Registered aircraft
- 63 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-3906
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 | e590eb8a…b39a4d5 | FAA DRS (API key needed) |
On this page
The airworthiness directive
80-19-05 BOEING: Amendment 39-3906. Applies to all Model 747 series airplanes, unless already accomplished:
Within the next 24 months from the effective date of this AD, modify the leading edge flap systems in accordance with Boeing Service Bulletin No. 747-27-2204, dated April 25, 1980, or a later FAA-approved service bulletin, or in a manner approved by the Chief, Engineering and Manufacturing Branch, Northwest Region.
The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received these documents from the manufacturer may obtain copies upon request to Boeing Commercial Airplane Company, P.O. Box 3707, Seattle, Washington 98124. These documents may also be examined at FAA, Northwest Region, 9010 East Marginal Way South, Seattle, Washington 98108.
This amendment becomes effective October 9,1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 63
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1969 | 1 |
|---|---|
| 1970 | 2 |
| 1971 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1989 | 2 |
| 1990 | 4 |
| 1991 | 6 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 3 |
| 1995 | 1 |
| 1997 | 4 |
| 1998 | 1 |
| 1999 | 4 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 2007 | 3 |
14 with no year recorded