# SDR DALA2021102606632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2021
- Submitted: October 26, 2021
- Operation: Air carrier
- Aircraft: [N409DX](https://openairdocs.org/aircraft/N409DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 1983
- Aircraft time: 2,432 hours, 307 cycles
- Engine: Rroyce TRENT700072
- Engine time: 2,418 hours, 305 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Hmu
- Condition: Faulted
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021102606632

## Discrepancy

SHIP 3409 FIREBALL REPORTED BRIEFLY ON ENG 1 START. CORRECTIVE ACTION: REPLACED HMU 4000KC. (7989458)

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