# SDR UIEA2015070400326

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2015
- Submitted: July 8, 2015
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 77,551 hours, 16,385 cycles
- Engine: Ge CF680C2B6F
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 442274
- Part serial: BECK0357
- Condition: Failed
- Location: Lt Engine
- Stage of operation: AP
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2015070400326

## Discrepancy

ON FINAL APPROACH, NOTICED LT ENGINE APPROXIMATELY 21% N1,  52% N2.  THROTTLE ADVANCE DID NOT INCREASE POWER, AUTO THROTTLE DISCONNECTED.  MANUAL LANDING MADE WITH NO FURTHER ISSUES.  LT ENGINE EGT INCREASED TO APPROXIMATELY 750 DEGREES, ENGINE SHUTDOWN,  NO FURTHER ISSUES.  R & R THE LT ENGINE HMU IAW AMM 73-21-14-004-001-H00, TESTED NORMAL, NO LEAKS NOTED.  PERFORMED ENGINE RUN UP IAW AMM 71-00-00.  COMPLIED WITH TESTS 3, 5, 2, 12 ALL CHECKED NORMAL.

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