# SDR ASAA2018020123363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2018
- Submitted: February 2, 2018
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 39,236 hours, 11,854 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018020123363

## Discrepancy

AFT CABIN ZONE TEMP LIGHT ILLUMINATED ON RECALL, EXTINGUISHED ON MASTER CAUTION RESET. AFT TEMP NORMAL. ACFT GROUNDED. PERFORMED BITE PROCEDURE FOR PACK/ZONE TEMP IAW AMM 21-61-00-700-806-002,  FAULT CLEARED ON RECALL, NO HISTORY LAST 30 DAYS. GROUND VERIFICATION SUCCESSFUL.

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