# SDR 97UAL900229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Engine: Pwa PW4077
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Eec
- Condition: Malfunctioned
- Location: Engine
- 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/97UAL900229

## Discrepancy

APPROXIMATELY ONE HOUR INTO FLIGHT, EICAS STATUS MESSAGE ENG IGN R1, ENG IGN R2 AND ENG FUEL VLV R DISPLAYED.  AIRCRAFT RETURNED TO FIELD.  *S/D*  REPLACED ENGINE EEC.  ALL MESSAGES CLEARED.  UPDATE:  FOUND EICAS STATUS MESSAGES TO BE NUISANCE FAULTS FROM PREVIOUS MAINTENANCE ACTIVITY INVOLVING MOTORING OF THE ENGINE.

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