# SDR 2012F00262

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2012
- Submitted: December 7, 2012
- Operation: Air carrier
- Aircraft: [N952CA](https://openairdocs.org/aircraft/N952CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 25238
- Aircraft time: 83,020 hours, 11,590 cycles
- Engine: Ge CF680C2B1F
- Engine time: 81,123 hours, 10,107 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Ecu
- Condition: Failed
- Location: Nr 3 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: Y, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2012F00262

## Discrepancy

AT APPROX 65 KNOTS, NR 3 ENGINE FAILED. N1 WAS ABOVE 100 PERCENT. COMPLETED FAULT ISOLATION IAW FIM 71-00, FIG 114.  R & R NR 3 ENGINE ECU IAW AMM 73-21-15, ALSO R & R NR 3 ENGINE HMU IAW AMM 73-21-14.  ALL OPS CHECK NORMAL IAW AMM 73-21-15 AND 73-21-14.

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