# SDR HALA2025F00002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2025
- Submitted: September 26, 2025
- Operation: Air carrier
- Aircraft: [N4663K](https://openairdocs.org/aircraft/N4663K), registered now
- Make and model: Airbus A330-343
- Registry model: [Airbus A330-343](https://openairdocs.org/model/airbus-a330-343) (OpenAirDocs)
- Aircraft serial: 01863
- Aircraft time: 2,285 hours, 702 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Valve
- Condition: Faulted
- Location: Zone 200
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2025F00002

## Discrepancy

ETOPS - COCKPIT TEMP VARIES BETWEEN 22C - 28C AT 12:30 TEMP CONTROL POSITION. REMOVED AND REPLACED TRIM AIR VALVE (637HK) IAW A330 AMM 21-63-51. OPS CHECK GOOD AND LEAK CHECK GOOD. NO DEFECTS NOTED AT THIS TIME.

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