# SDR DL764030935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2003
- Submitted: October 24, 2003
- Operation: Air carrier
- Aircraft: [N844MH](https://openairdocs.org/aircraft/N844MH), registered now
- Make and model: Boeing 767432ER
- Aircraft serial: 29717
- Aircraft time: 5,035 hours, 1,973 cycles
- Engine: Ge CF680C2*
- Engine time: 5,042 hours, 1,977 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hydromech Unit
- Part number: 731003363
- Part serial: BECK4239
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL764030935

## Discrepancy

ON DESCENT L ENGINE CONTROL MSG DISPLAYED.  T/S PER FIM 73-21-00 FIG 112 AND 71 PIMU MESSAGES PAGE 27.  FOUND CODE 155 - 23 A/B.  REMOVED HMU PER AMM.  REPLACE LT ENGINE MNU AS PER MM RAN ENG AT IDLE NO MSG.  NO LEAKS F/O RAN ENG PER PFHB.

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