# SDR 2006FA0000048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 30, 2005
- Submitted: January 19, 2006
- Operation: General aviation
- Aircraft: [N22320](https://openairdocs.org/aircraft/N22320), registered now
- Make and model: Mooney M20M
- Registry model: [Mooney M20M](https://openairdocs.org/model/mooney-m20m) (OpenAirDocs)
- Aircraft serial: 270297
- Engine: Lyc TIO540A1B
- Propeller: Mcauly B3D32C417
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Plug
- Condition: Dislodged
- Location: Crankshaft
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000048

## Discrepancy

DURING PROP REMOVAL FOR A GROUND STRIKE, FOUND CRANKSHAFT WELSH PLUG LOGGED IN THE PROP HOUSING, RESTRICTING OIL FLOW TO PROP.  ENGINE HAD BEEN INSTALLED 30 DAYS EARLIER, 4 HOURS SINCE INSTALL.  (K)

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