# SDR R7MR33420

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2001
- Submitted: August 9, 2001
- Operation: Air carrier
- Aircraft: N911LN
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53446
- Engine: Allsn 250C47B
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 23072731
- Part serial: JGALM0628
- Condition: Failed
- Location: Engine
- Part time: 411 hours
- Stage of operation: CR
- 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/R7MR33420

## Discrepancy

FADEC FAULT.  LIGHT CAME ON DURING FLIGHT AND COULD NOT BE EXPLAINED, SO IT WAS OPTED TO REPLACE THE HMU.  REPLACED WITH NEW UNIT, CORRECTED PROBLEM.

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