- Effective
- June 21, 1979
- Published
- June 18, 1979
- Issued
- June 4, 1979
- Model
- PA-44-180
- Data sheet
- TCDSA19SO
- Registered aircraft
- 562 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-3490
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 |
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| FAA DRS HTML | 20 KB | 82d8e0b5…f001f00 | FAA DRS (API key needed) |
On this page
The airworthiness directive
79-12-11 PIPER AIRCRAFT CORPORATION: Amendment 39-3490. Applies to Model PA-44-180, serial numbers 44-7995001 through 44-7995190 airplanes certificated in all categories.
Compliance is required within the next 25 hours' time in service after the effective date of this AD or within 30 days after the effective date of this AD, whichever occurs first, unless already accomplished.
To prevent a potential fire hazard due to fuel leakage from failed primer lines and cracked and broken fittings, accomplish the following on both engines:
(a) Install the fuel primer modification kit, Piper Part Number 763 908V in accordance with Piper Service Bulletin 634 dated December 28, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region.
(b) Make an appropriate maintenance record entry.
An equivalent method of compliance may be approved by the Chief, Engineering and Manufacturing Branch, FederalAviation Administration, Southern Region.
This amendment becomes effective June 21, 1979.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 562
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1978 | 45 |
|---|---|
| 1979 | 43 |
| 1980 | 3 |
| 1981 | 2 |
| 1989 | 6 |
| 1990 | 1 |
| 1993 | 1 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 4 |
| 1998 | 1 |
| 1999 | 5 |
| 2000 | 9 |
| 2001 | 43 |
| 2002 | 39 |
| 2003 | 6 |
| 2004 | 8 |
| 2005 | 10 |
| 2006 | 9 |
| 2007 | 7 |
| 2008 | 16 |
| 2009 | 4 |
| 2010 | 6 |
| 2011 | 1 |
| 2012 | 12 |
| 2013 | 11 |
| 2014 | 9 |
| 2015 | 8 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 28 |
| 2019 | 30 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 15 |
| 2024 | 26 |
| 2025 | 28 |
| 2026 | 22 |
37 with no year recorded