- Effective
- October 13, 1974
- Models
- 206A, 206B
- Data sheet
- TCDSH2SW
- Registered aircraft
- 855 matched by model
- Product
- Aircraft · Rotorcraft
- Amendment
- 39-1954
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 | 20 KB | f5767f0b…bf5a776 | FAA DRS (API key needed) |
On this page
The airworthiness directive
74-19-03 BELL: Amendment 39-1954. Applies to Bell Model 206A and 206B helicopters as noted herein, certificated in all categories.
Compliance required within 100 hours time in service after the effective date of this A.D., unless already accomplished.
To prevent possible failure of the inboard ribs with possible loss of a stabilizer on Model 206A and 206B helicopters, serial numbers 1 through 913 equipped with horizontal stabilizer, P/N 206-020-119, replace any cracked inboard ribs and modify all inboard ribs by installing a doubler specified in and using the applicable procedures described in Items 3 through 24, Bell Helicopter Company Service Bulletin No. 206-01-73-7, Revision A, dated December 11, 1973 or later FAA approved revision.
To prevent excessive movement of the horizontal stabilizer install Horizontal Stabilizer Stop Kit, P/N 206-704-096-3, on Model 206A and 206B helicopters, Serial Numbers 1 through 1251, in accordance with Bell Helicopter Company Service Bulletin No. 206-01-74-1, Revision A, dated May 6, 1974, or later FAA approved revision.
This amendment becomes effective October 13, 1974.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 855
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1954 | 1 |
|---|---|
| 1966 | 1 |
| 1967 | 5 |
| 1968 | 15 |
| 1969 | 12 |
| 1970 | 6 |
| 1971 | 14 |
| 1972 | 19 |
| 1973 | 25 |
| 1974 | 39 |
| 1975 | 38 |
| 1976 | 34 |
| 1977 | 28 |
| 1978 | 40 |
| 1979 | 48 |
| 1980 | 45 |
| 1981 | 52 |
| 1982 | 27 |
| 1983 | 5 |
| 1984 | 7 |
| 1985 | 5 |
| 1986 | 5 |
| 1987 | 4 |
| 1988 | 11 |
| 1989 | 14 |
| 1990 | 7 |
| 1991 | 9 |
| 1992 | 6 |
| 1993 | 24 |
| 1994 | 38 |
| 1995 | 47 |
| 1996 | 4 |
| 1997 | 6 |
| 1998 | 5 |
| 1999 | 4 |
| 2000 | 6 |
| 2001 | 13 |
| 2002 | 7 |
| 2003 | 3 |
| 2004 | 2 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 5 |
| 2008 | 3 |
| 2009 | 1 |
154 with no year recorded