# SDR UALA2010082303106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2010
- Submitted: August 23, 2010
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 58,660 hours, 8,598 cycles
- Engine: Pwa PW4090
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 8102142
- Part serial: 960115
- Condition: Failed
- Location: Lt Acm
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010082303106

## Discrepancy

LEFT PACK ACM FAILED.  STATUS MSG-2124821 LATCHED DC MODE.  REPLACED LOW LIMIT VALVE.  OP CHECKS GOOD ON GROUND. MESSAGES CLEARED.

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