# SDR ASAA2017121922953

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2017
- Submitted: December 20, 2017
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41728
- Aircraft time: 7,236 hours, 2,423 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- 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/ASAA2017121922953

## Discrepancy

AFTER ENGINE START AND CONFIGURING AIR CONDITIONING. CONT CABIN ZONE TEMP LIGHT ILLUMINATED EXTINGUISHED ON RESET. GROUNDED - YES. PERFORMED NR 1 & NR 2 PACK TEMP CONTROL BITE CK'S REF FIM 21-62 TASK 801. NO FAULTS NOTED. PERFORMED FIM 21-61 TASK 861 & CONTROL CABIN TEMP CONTROL OPS NORMAL.

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