# SDR ASAA2017112122652

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2017
- Submitted: November 30, 2017
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 6,895 hours, 2,299 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Message
- 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/ASAA2017112122652

## Discrepancy

ZONE TEMP CONTROL CABINE ILLUMINATED ON RECALL.  ACFT GROUNDED.   ACCOMPLISHED PACK ZONE TEMP BITE IAW AMM 21-61-00-740-801-002.  NO FAULTS.  RAN PACKS AND CHANGED TEMPS TO ALL 3 ZONES FOR AN EXTENDED PERIOD OF TIME. SHUTDOWN AND NO FAULTS ON RECALL,  RAN THE PACK ZONE TEMP CONTROL GROUND TEST. NO FAULTS, GROUND VERIFICATION GOOD IAW AMM 21-61-00-740-801-002.

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