# SDR CA991210094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 1999
- Submitted: January 19, 2001
- Operation: General aviation
- Make and model: Cessna 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Aircraft time: 1,727 hours
- Engine: Lyc O320H2AD
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Plug
- Condition: Leaking
- Location: Crankshaft
- Part time: 1,691 hours
- Component: Engine (Reciproc, Lyc, O320H2AD
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA991210094

## Discrepancy

(CAN) FOUND CRANKSHAFT PLUG INSTALLED INCORRECTLY CAUSING LOSS OF OIL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.