# SDR UALA2013052203549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2013
- Submitted: June 26, 2013
- Operation: Air carrier
- Aircraft: [N204UA](https://openairdocs.org/aircraft/N204UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 28713
- Aircraft time: 64,157 hours, 8,929 cycles
- Engine: Pwa PW4090
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Sensor
- Condition: Faulty
- Location: Rt A/C Pack
- 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/UALA2013052203549

## Discrepancy

TEMP HARD TO CONTROL ZONES D-E-F.  STAYS TOO COLD.  REPLACED RT PACK COMPRESSOR DISCHARGE TEMP SENSOR M21520 IAW MM, OPS CHECKED GOOD.

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