What was found
ALUMINUM SHAVINGS WERE FOUND IN THE OIL FILTER DURING 100HR INSPECTION. FOUND THIS TO BE A RESULT OF BOTH PISTON PIN PLUGS BEING WORN ON #1 CYLINDER AND THE CYLINDER WALL HAVING A “RIDGE” AT THE BOTTOM OF THE RING TRAVEL.
- Difficulty date
- December 7, 2023
- Submitted
- December 16, 2023
- Operation
- General aviation
- Aircraft
- N177BD
- Make and model
- Cessna 152
- Aircraft serial
- 15281660
- Aircraft time
- 20,493 hours
- Engine
- Lyc O235L2C
- Engine time
- 8,489 hours
- System (JASC)
- 8530 · Reciprocating Engine Cylinder Section
- Part
- Plug
- Part number
- LW11625
- Condition
- Worn
- Location
- Piston Pin
- Part time
- 884 hours
- Component
- Cylinder · Lyc
- Component part number
- 16A26616
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.