# SDR ASOA99083

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N634AS](https://openairdocs.org/aircraft/N634AS), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 370
- Engine: Pwa PW127
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Left
- Stage of operation: CR
- Nature of condition: K, J
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA99083

## Discrepancy

EN ROUTE TO ATL, LEFT ENGINE OIL PRESSURE DROPPED TO 0 PSI.  CAPTAIN PERFORMED ENGINE FAILURE IN FLIGHT CHECKLIST, DECLARED AN EMERGENCY, AND PERFORMED A SAFE SINGLE ENGINE LANDING AT CSG.  MCN MAINTENANCE CREW FOUND NR 3/4 BEARING OIL TUBE CRACKED.  MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE ASSY AND OIL COOLER.  PROPELLER ACTUATOR WAS ALSO REPLACED DUE TO METAL CONTAMINATION.  (M)

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