# SDR IKBR2020072200004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2020
- Submitted: July 22, 2020
- Operation: General aviation
- Filed by: [The Ohio State University Airport, repair station IKBR028F](https://openairdocs.org/faa-repair-station/IKBR028F/the-ohio-state-university-airport.md) (OpenAirDocs)
- Aircraft: [N20SU](https://openairdocs.org/aircraft/N20SU), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S11623
- Aircraft time: 2,791 hours
- Engine: Lyc IO360L2A
- Engine time: 408 hours
- System (JASC): [8500 · Engine (Reciprocating)](https://openairdocs.org/jasc/8500)
- Part: Plug
- Part number: STD1211
- Condition: Leaking
- Location: Crankshaft
- Part time: 408 hours
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IKBR2020072200004

## Discrepancy

WHILE PERFORMING OTHER WORK DISCOVERED CRANKSHAFT PLUG P/N STD-1211 LEAKING. INSTALLED NEW PLUG IAW LYCOMING INSTRUCTIONS.

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