# SDR AU990793

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-23-250
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (OpenAirDocs)
- Engine: Lyc IO540K1A5
- Propeller: Hartzl HCC2YK2
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Filter
- Part number: CH48110
- Condition: Misinstalled
- Location: Engine
- Component: Champion, CH48110
- Stage of operation: IN
- Nature of condition: W, K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU990793

## Discrepancy

(AUS) ENGINE OIL FILTER FAULTY.  FILTER WAS INCORRECTLY LOCKWIRED.  THE SEAL WAS ALSO PROTRUDING.  THE THREADED INSERT HAD COME LOOSE AND SEPARATED FROM THE FILTER WHEN IT WAS REMOVED FROM THE ENGINE.

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