# SDR 2025F00138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2025
- Submitted: June 2, 2025
- Operation: General aviation
- Aircraft: [N662RL](https://openairdocs.org/aircraft/N662RL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53203
- Aircraft time: 28,760 hours
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Part number: 23078029A
- Part serial: JGALM0973
- Condition: Failed
- Location: Zone 200
- Part time: 10,233 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025F00138

## Discrepancy

RESTART FAULT AND FADEC DEGRADE LIGHT ON SHUTDOWN. REPLACED THE HMU DUE TO SPIKES IN THE POT SWEEP.

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