AD 75-12-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-24 | Airworthiness Directives; Piper Models PA-24, PA-24-250, PA-24-260 and PA-24-400 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-250 | Airworthiness Directives; Piper Models PA-24, PA-24-250, PA-24-260 and PA-24-400 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-260 | Airworthiness Directives; Piper Models PA-24, PA-24-250, PA-24-260 and PA-24-400 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-24-400 | Airworthiness Directives; Piper Models PA-24, PA-24-250, PA-24-260 and PA-24-400 Airplanes |
Unsafe Condition
Cracks in the fin forward spar to fuselage attachment assembly channel P/N 20749-0 and straps P/N 20749-5 and -6 in the area of the channel bend relief holes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the channel and straps for cracks using dye penetrant or approved equivalent inspection within 25 hours' time in service (if not done in last 75 hours). Polish rough edges of bend relief holes. Repeat visual inspections with 5 power magnifying glass or equivalent every 100 hours' time in service. Repair or replace cracked parts with FAA approved methods or equivalent parts before further flight.
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Compliance Time
Within the next 25 hours' time in service (for initial inspection), and subsequent inspections within 100 hours' time in service from the last inspection.
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Affected Aircraft
Piper Models PA-24, PA-24-250, PA-24-260, and PA-24-400 certificated in all categories where the fin forward spar uses channel P/N 20749-0 and straps P/N 20749-5 and -6.
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
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