# SDR 99ZZZX3680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N907Z
- Make and model: Doug DC3C
- Registry model: [Doug DC3C](https://openairdocs.org/model/douglas-dc3c) (OpenAirDocs)
- Aircraft serial: 12300
- Engine: Pwa R183090D
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Bearing
- Condition: Failed
- Location: Left Engine
- Part time: 22,738 hours
- Stage of operation: CR
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX3680

## Discrepancy

AT CRUISE POWER SETTING, LEFT ENGINE LOST POWER.  AIRCRAFT DIVERTED TO VIN.  FOUND METAL IN SCREEN AND REAR VALVES NOT MOVING.  SUBMITTER SUSPECTED REAR MAIN BEARING FAILURE.

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