- Effective
- February 7, 1973
- Model
- 17-30A
- Data sheet
- TCDSA18CE
- Registered aircraft
- 400 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-1591
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 | 0848cd77…3a8251e | FAA DRS (API key needed) |
On this page
The airworthiness directive
73-03-03 BELLANCA: Amdt. 39-1591. Applies to Model 17-30A (Serial Numbers 30263 through 73-30489) airplanes.
Compliance: Required as indicated unless already accomplished.
To prevent bolt failures and subsequent washer ingestion into the engine, accomplish the following:
a) Within 10 hours time in service after the effective date of this AD, remove the 4 AN4H-17A bolts attaching the air induction box to the throttle body and replace these bolts with new ones. When reassembling the air induction box, assure that the 4 washers between the spacers and the air induction box are properly installed and the bolts are torqued to 35-40 inch- pounds and safety wired.
b) Within 50 hours time in service after the effective date of this AD, modify the air induction box in accordance with Bellanca Service Letter Number 75 dated January 3, 1973, or later FAA approved revisions.
c) Any alternate equivalent method of compliance with Paragraphs a and b above must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Great Lakes Region.
This amendment becomes effective February 7, 1973.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 400
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1970 | 18 |
|---|---|
| 1971 | 28 |
| 1972 | 40 |
| 1973 | 55 |
| 1974 | 33 |
| 1975 | 24 |
| 1976 | 19 |
| 1977 | 9 |
| 1978 | 29 |
| 1979 | 46 |
| 1980 | 5 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 1 |
| 1988 | 6 |
| 1989 | 3 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 2 |
| 1993 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1999 | 1 |
| 2000 | 2 |
67 with no year recorded