What was found
LOSS OF OIL PRESSURE AND ENGINE POWER IN FLIGHT. EXAMINATION REVEALED ALUMINUM PISTON PIN PLUGS FOR CYLINDER NR 4 HAD DISINTEGRATED, DAMAGING PISTON SKIRT, AND BLOCKING OIL FILTER. ENGINE SUBSEQUENTLY SEIZED DUE TO OIL STARVATION.
- Difficulty date
- July 6, 2012
- Submitted
- July 6, 2012
- Operation
- General aviation
- Aircraft
- N30997
- Make and model
- Piper PA28181
- Aircraft serial
- 287890460
- Aircraft time
- 2,710 hours
- Engine
- Lyc O360A4M
- Engine time
- 840 hours
- System (JASC)
- 8520 · Reciprocating Engine Power Section
- Part
- Plug
- Condition
- Chattering
- Location
- Piston Pin
- Part time
- 840 hours
- Component
- Piston · Lyc
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- R, J, Y
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.