# SDR AU970700

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Lkheed C121C
- Engine: Wright R3350*
- Propeller: Hamstd 43E60
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Guide
- Condition: Failed
- Location: Nr 2 Cyl Int Vlv
- Component: Wright
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970700

## Discrepancy

(AUS) NO2 ENGINE FRONT SUMP PLUG CONTAMINATED WITH A SMALL PIECE OF FERROUS MATERIAL - INVESTIGATION FOUND PIECE OF METAL HAD CHIPPED OFF NO2 CYLINDER INLET VALVE TAPPET GUIDE

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