What was found
SUPERIOR PISTON ASSY PART # SA640518 INSTALLED. WITHIN 40 HOURS OF INSTALLATION PISTON DISINTEGRATED RESULTING IN EXTREME VIBRATION. ENGINE WAS SHUTDOWN AND LANDING MADE IN FIELD WITHOUT INCIDENT.
- Difficulty date
- July 29, 2025
- Submitted
- July 29, 2025
- Operation
- General aviation
- Aircraft
- N9628
- Make and model
- Cessna 180
- Engine
- Cont O470K
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Piston
- Part number
- SA640518
- Condition
- Disintegrated
- Location
- Nr 1 Cylinder
- Part time
- 40 hours
- Stage of operation
- CR
- How discovered
- B
- Nature of condition
- Z
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.