# SDR ASAA1058245

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2010
- Submitted: September 8, 2010
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 15,021 hours, 4,495 cycles
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Temp
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058245

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL DURING "LANDING CHECK".  RESET WHEN MASTER CAUTION ANNUNCIATOR PUSHED.  VERIFIED FAULT TEMP CONTROL VALVE ON NR 1 ZONE TEMP CONTROLLER.  RESET AND TESTS NORMAL PER FIM 21 62 TASK 802.  GROUND VERIFICATION OF SYSTEM OPERATION NORMAL.

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