AD 80-17-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-31 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-325 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-31-350 | Airworthiness Directives; Piper Model PA-31, PA-31-325 and PA-31-350 Airplanes |
Unsafe Condition
Incorrect dimensions of elevator balance weights could compromise flutter integrity of the elevator system.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect elevator balance weights for correct dimensions, install correct weights if necessary per SB 690 or equivalent, revise part numbers on both elevators per SB 690, and make maintenance record entry.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 50 hours time in service after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Piper Model PA-31, PA-31-325 (S/N 31-7401201 through 31-8012076, 31-8012078, 31-8012079), and PA-31-350 (S/N 31-7405401 through 31-8052169 and 31-8052172)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.