# SDR UF6A990611

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N856AW](https://openairdocs.org/aircraft/N856AW), registered now
- Make and model: Bag ATP
- Aircraft serial: 2032
- Engine: Pwa PW126A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Failed
- Location: Nr 1
- Part time: 10,484 hours
- Stage of operation: CL
- Nature of condition: Y
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UF6A990611

## Discrepancy

ORD - FLT 5708 - DURING CLIMB, THERE WAS A LOUD POP FROM THE LEFT SIDE.  IMMEDIATELY THE NR 1 ENGINE OIL PRESSURE, ENGINE CONTROL CWP ILLUMINATED WITH NR 1 ENGINE FROZEN PBSI ILLUMINATING.  SHORTLY FOLLOWING THE NR 1 ENGINE ASSOCIATED ELECTRICAL CWP'S ILLUMINATED AND NR 1 TORQUE READ 0.  MAINTENANCE REMOVED AND REPLACED THE NR 1 ENGINE.  PERFORMED POWER ASSURANCE RUNS WITH NO DEFECTS NOTED.  SYSTEM OPS CHECKED GOOD.  (M)

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