- Effective
- October 19, 1988
- Models
- A36, B36TC, F33A
- Data sheet
- TCDS3A15
- Registered aircraft
- 3,641 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-6017
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 January 21, 2026.
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 | 22 KB | e0238fec…8bee588 | FAA DRS (API key needed) |
On this page
The airworthiness directive
88-20-01 BEECH: Amendment 39-6017. Applies to the following airplanes certificated in any category:
MODEL SERIAL NUMBER F33A CE-1162 through CE-1223 A36 E-2383 through E-2405 E-2407 through E-2409 B36TC EA-468 through EA-470 EA-472 through EA-474
Compliance: Required within the next 100 hours time-in-service after the effective date of this AD, unless already accomplished.
To prevent a potential fire in the cabin, accomplish the following:
(a) Remove the Mortell 931 sound deadener material from the aft side of the firewall in accordance with the instructions in Beech Service Bulletin Number 2249, dated April 1988.
(b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
(c) An equivalent means of compliance with this AD may be used if approved by the Manager, FAA, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas 67209; Telephone(316) 946-4400.
All persons affected by this directive may obtain copies of this document referred to herein upon request to Beech Aircraft Corporation, Commercial Service, Dept. 52, P.O. Box 85, Wichita, Kansas 67201-0085; or may examine this document at the FAA, Office of the Regional Counsel, Room 1558, 601 East 12th Street, Kansas City, Missouri 64106.
This amendment, 39-6017, becomes effective on October 19, 1988.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 3,641
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1969 | 7 |
|---|---|
| 1970 | 43 |
| 1971 | 56 |
| 1972 | 72 |
| 1973 | 113 |
| 1974 | 100 |
| 1975 | 140 |
| 1976 | 148 |
| 1977 | 197 |
| 1978 | 200 |
| 1979 | 165 |
| 1980 | 117 |
| 1981 | 136 |
| 1982 | 118 |
| 1983 | 86 |
| 1984 | 103 |
| 1985 | 74 |
| 1986 | 57 |
| 1987 | 101 |
| 1988 | 121 |
| 1989 | 96 |
| 1990 | 119 |
| 1991 | 122 |
| 1992 | 72 |
| 1993 | 85 |
| 1994 | 90 |
| 1995 | 56 |
| 1996 | 43 |
| 1997 | 72 |
| 1998 | 66 |
| 1999 | 66 |
| 2000 | 67 |
| 2001 | 63 |
| 2002 | 30 |
| 2003 | 8 |
| 2004 | 18 |
| 2005 | 8 |
| 2007 | 1 |
405 with no year recorded