- Effective
- August 22, 1975
- Models
- RB211-22B-02, RB211-22B/MOD 72-8700, RB211-524B-02, RB211-524B-B-02, RB211-524B2-19, RB211-524B2-B-19 and 19 more
- Registered aircraft
- 196 matched by model
- Product
- Engine
- Amendment
- 39-2274
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 | 161b05a2…5f0a812 | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-16-08 ROLLS ROYCE (1971) LIMITED: Amendment 39-2274. Applies to Rolls Royce RB211 series engines, serial numbers 10389 and prior.
Compliance required by December 31, 1975, unless already accomplished.
To prevent damage in the intermediate and high pressure compressors that contributes to the frequency of high power surges, accomplish the following:
1. Modify the inlet guide vane spherical trunnions, bearing pads, actuating rings, and bearing support segments in accordance with Rolls-Royce (1971) Limited Service Bulletin RB211-72-3326, dated November 14, 1973, or an FAA-approved equivalent.
2. Modify the intermediate pressure (IP) compressor inlet guide vanes in accordance with Rolls-Royce (1971) Limited Service Bulletin RB211-72-3335, Revision 2, dated March 12, 1974, or an FAA-approved equivalent.
3. Modify the IP compressor stator vanes in the 4th and 5th stage stator assemblies in accordance with Rolls-Royce (1971) Limited Service Bulletin RB211-72-3482, dated April 9, 1974, or an FAA-approved equivalent.
This amendment becomes effective August 22, 1975.
Affected TCDS · 2
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 196
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1974 | 2 |
|---|---|
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1987 | 3 |
| 1988 | 1 |
| 1989 | 4 |
| 1990 | 2 |
| 1991 | 5 |
| 1992 | 9 |
| 1993 | 1 |
| 1994 | 27 |
| 1995 | 15 |
| 1996 | 8 |
| 1997 | 13 |
| 1998 | 12 |
| 1999 | 25 |
| 2000 | 18 |
| 2001 | 26 |
| 2002 | 10 |
| 2003 | 4 |
| 2004 | 5 |
| 2014 | 1 |
2 with no year recorded