# SDR CALA2013090691074

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2013
- Submitted: September 6, 2013
- Operation: Air carrier
- Aircraft: N593UA
- Make and model: Boeing 757222
- Aircraft serial: 28144
- Aircraft time: 54,416 hours, 20,078 cycles
- Engine: Pwa PW2037
- System (JASC): [2163 · Cabin Temperature Sensor](https://openairdocs.org/jasc/2163)
- Part: Sensor
- Condition: Faulty
- Location: Cockpit
- Stage of operation: DE
- 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/CALA2013090691074

## Discrepancy

FLIGHT DECK TEMPERATURE WENT FULL COLD ON DESCENT HAD TO PUT LT PAC IN WARM STANDBY.  PERFORMED BITE TEST & FOUND ZONE SENSOR FAULT ON LT PACK & ZONE TEMPERATURE CONTROLLERS.  R&R FLIGHT COMPARTMENT SENSOR PN:624018-1 IAW MM:21-61-08. RESET FAULTS, RAN PACKS & CYCLED TEMPERATURE CONTROL SEVERAL TIMES.  OPERATIONS CHECKED GOOD. SN ON: 036C-8726.

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