# SDR 95ZZZX6613

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N21329](https://openairdocs.org/aircraft/N21329), registered now
- Make and model: Cessna 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Aircraft serial: 17263931
- Engine: Lyc O320E2D
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Pump
- Part number: 60746
- Condition: Failed
- Location: Engine Oil
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX6613

## Discrepancy

ENGINE LOST OIL PRESSURE ON DEPARTURE AND RETURNED TO THE AIRPORT.  NO INCIDENT OCCURRED.  ENGINE WOULD NOT MAKE FULL RPM.  PROPELLER STOPPED WHEN POWER REDUCED TO IDLE.  SUBMITTER STATED ENGINE WAS OPERATED MOST OF ITS LIFE WITHOUT AN OIL FILTER.  RECOMMEND MANDATORY FILTER INSTALLATIONS FOR PROPER ENGINE LIFE.  FOUND BROKEN OIL PUMP GEAR, SHEARED PUMP DRIVE, LOST OIL PRESSURE.  SPUN ROD BEARINGS.  ENGINE TSMOH, 1,970 HOURS.

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