# SDR AU960968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Mooney M20K
- Registry model: [Mooney M20K](https://openairdocs.org/model/mooney-m20k) (OpenAirDocs)
- Engine: Cont TSIO360G
- Propeller: Hartzl BHCC2YF1
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Piston
- Part number: 646743
- Condition: Wrong Part
- Location: R Engine Cylinde
- Component: Cont, TSIO360GB4
- Stage of operation: IN
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU960968

## Discrepancy

(AUS) NO3 CYLINDER/PISTON COMBINATION INCORRECT - A +015IN OVERSIZE  PISTON PNO 646743 WAS FITTED TO A STANDARD SIZE CYLINDER PNO 649484 - PISTON HAD PICKED UP IN CYLINDER BORE - METAL CONTAMINATION OF OIL SYSTEM - CYLINDER HAD BEEN CHANGED ON 13NOVEMBER 1995 AT 2027 HOURS - PERSONNEL/MAINTENANCE ERROR -  UNAPPROVED PART

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