# SDR HALA20250521144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2025
- Submitted: May 22, 2025
- Operation: Air carrier
- Aircraft: [N370HA](https://openairdocs.org/aircraft/N370HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1511
- Aircraft time: 45,379 hours, 7,178 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Isolation Valve
- Condition: Failed
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20250521144

## Discrepancy

ETOPS - FUEL TRIM TANK ISOL VALVE FAIL UNKNOWN. BITE TEST FAULTER 702QN (TRIM TANK ISO). REMOVED AND REPLACED TRIM TANK ISOL VALVE SMA PER AMM 28-27-52. BITE/OPS TEST GOOD

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