- Effective
- March 5, 1976
- Published
- March 4, 1976
- Issued
- February 20, 1976
- Model
- PA-31-350
- Data sheet
- TCDSA20SO
- Registered aircraft
- 399 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2531
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 November 21, 2025.
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 | da855e78…244b589 | FAA DRS (API key needed) |
On this page
The airworthiness directive
76-04-10 PIPER AIRCRAFT: Amendment 39-2531. Applies to Model PA-31-350, S/Ns 31-5001 to 31-7552073 inclusive.
Compliance required within the next 100 hours' time in service after the effective date of this AD unless already accomplished. To prevent the hazards associated with toxic fumes from the battery being drawn into the cabin, accomplish the following:
(a) Relocate and modify the battery drain and vent system in accordance with Piper Service Bulletin No. 460A, dated January 23, 1976, or equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(b) Upon request with substantiating data submitted through an FAA Maintenance Inspector, the compliance time specified in this AD may be increased by the Chief, Engineering & Manufacturing Branch, FAA Eastern Region.
This amendment is effective March 5, 1976.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 399
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1973 | 14 |
|---|---|
| 1974 | 15 |
| 1975 | 17 |
| 1976 | 18 |
| 1977 | 27 |
| 1978 | 25 |
| 1979 | 44 |
| 1980 | 53 |
| 1981 | 53 |
| 1982 | 16 |
| 1983 | 12 |
| 1984 | 11 |
| 1996 | 1 |
93 with no year recorded