# SDR ASAA2026013063231

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2026
- Submitted: February 5, 2026
- Operation: Air carrier
- Aircraft: [N5879K](https://openairdocs.org/aircraft/N5879K), registered now
- Make and model: Airbus A330-343
- Registry model: [Airbus A330-343](https://openairdocs.org/model/airbus-a330-343) (OpenAirDocs)
- Aircraft serial: 1226
- Aircraft time: 35,650 hours, 6,237 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 964A000005
- Part serial: 00778
- Condition: Faulted
- Location: Nr 1 A/C Pack
- Part time: 705 hours, 216 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026013063231

## Discrepancy

DIRTY SOCK ODOR AFTER TAKEOFF.  ODOR STAYED THE WHOLE TIME.  GROUNDED - YES.  PERFORMED TSM 21-52-00-810-810-A, PACK 1 ACM FAULT.  RAN APU & FOUND THE NR 1 A/C PACK COMPRESSOR INLET TEMP 57C, OUTLET TEMP 66C NR 2 PACK COMPRESSOR OUTLET TEMP 107C. ACM SUGGESTED TO BE MAIN PROBLEM FOR TROUBLESHOOTING. REF LP 100177575 FOR CORRECTIVE ACTION.

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