# SDR 8HBR20231216059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2023
- Submitted: December 16, 2023
- Operation: General aviation
- Filed by: [Hillsboro Aero Academy LLC, repair station 8HBR698C](https://openairdocs.org/faa-repair-station/8HBR698C/hillsboro-aero-academy-llc.md) (OpenAirDocs)
- Aircraft: [N177BD](https://openairdocs.org/aircraft/N177BD), registered now
- Make and model: Cessna 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (OpenAirDocs)
- Aircraft serial: 15281660
- Aircraft time: 20,493 hours
- Engine: Lyc O235L2C
- Engine time: 8,489 hours
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8HBR20231216059

## Discrepancy

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.

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