AD Amdt-39-9472
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper | Aircraft | Airworthiness Directives; The New Piper Aircraft, Inc. (Formerly Piper Aircraft Corporation) PA28 and PA32 Series Airplanes |
Unsafe Condition
Oil cooler hose rupture or failure due to close proximity to front exhaust stacks, which could result in engine stoppage and subsequent loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for minimum clearance between oil cooler hose assemblies and front exhaust stacks and adjust if necessary. Replace oil cooler hoses every 8 years or 1,000 hours time in service, whichever occurs first. Install TSO-C53a, Type D oil cooler hose assemblies with a minimum bend radius of 6.5 inches as a terminating action.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) PA28 and PA32 series airplanes with oil cooler hose assemblies not meeting TSO-C53a, Type D requirements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.