# SDR HALA2022012400024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2022
- Submitted: January 24, 2022
- Operation: Air carrier
- Aircraft: [N390HA](https://openairdocs.org/aircraft/N390HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1389
- Aircraft time: 35,028 hours, 5,529 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Valve
- Condition: Inoperative
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2022012400024

## Discrepancy

ETOPS -  APU DID NOT START TWICE AFTER LANDING //  PER INDICATED FAULT ON SURGE CTL VALVE (59KH18) APU SHUTDOWN REPORT INDICATED SAME FAULT. REMOVED & REPLACED SURGE CTL VALVE PER AMM 49-51-52. OPS/ LEAK CHECK OK  VALVE, SURGE CO OFF 33-4954-9-0003 S/N 00164 ON 33-4954-9-0003 S/N 01771

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