# SDR HEEA078815

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2002
- Submitted: May 28, 2002
- Operation: General aviation
- Aircraft: [N493PH](https://openairdocs.org/aircraft/N493PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53393
- Aircraft time: 3,043 hours
- Engine: Allsn 250C30
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 23072725
- Part serial: JGALM0299
- Condition: Failed
- Location: Fuel Control
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA078815

## Discrepancy

HMU HAS METERING VALVE CIRCUIT FAULT. REPLACED WITH SERVICEABLE HMU.

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