# SDR UALA2009082402604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2009
- Submitted: August 24, 2009
- Operation: Air carrier
- Aircraft: [N229UA](https://openairdocs.org/aircraft/N229UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30557
- Aircraft time: 31,214 hours, 3,852 cycles
- Engine: Pwa PW40903
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Eec
- Part number: 82282010
- Part serial: 45
- Condition: Defective
- Location: Lt Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009082402604

## Discrepancy

ENG EEC C1 L LEFT ENGINE CONTROL IS IN A TIME LIMITED DISPATCH CONDITION.  ENGINE CONTROL SYSTEM IS OPERATING WITH REDUCED REDUNDANCY.  STATUS  MSG01- ACTIVE CRUISE MODE DEPENDENT; EEC PERMANENT MAGNET ALTERNATOR (L ENG, CH B) WINDING IS INOPERATIVE.  DB- ELECTRONIC ENGINE CONTROL (L ENG, CH B) MSG-7351191 ACTIVE ER MODE -MAINT MSG 73-51191 AND 73- 51211.  REPLACED NR 1 PMA.  PERFORM ENGINE RUN, ALL INDICATIONS NORMAL ON BOTH CHANNELS.  CREW REPORT LEFT ENGINE EEC C1 MSG RETURNED AFTER ENGINE START.  PMA PREVIOUSLY REPLACED.  EEC REPLACED.  ENG RUN CHECKS GOOD.

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