# SDR IKBR2020071600001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2020
- Submitted: July 16, 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: [N280SU](https://openairdocs.org/aircraft/N280SU), registered now
- Make and model: Cessna 172S
- Registry model: [Cessna 172S](https://openairdocs.org/model/cessna-172s) (OpenAirDocs)
- Aircraft serial: 172S12432
- Aircraft time: 149 hours
- Engine: Lyc IO360L2A
- Engine time: 149 hours
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Shaft Seal
- Part number: LW13792
- Condition: Damaged
- Location: Engine
- 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/IKBR2020071600001

## Discrepancy

OIL WAS DISCOVERED ON TOP OF COWLING AND UPON INSPECTION WE FOUND THE PROP SHAFT SEAL P/N LW-13792 WAS LEAKING.  INSTALLED NEW SEAL IAW SERVICE INSTRUCTION 1324C.

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