# SDR ASAA2018031523911

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2018
- Submitted: March 19, 2018
- Operation: Air carrier
- Aircraft: [N461AS](https://openairdocs.org/aircraft/N461AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36363
- Aircraft time: 15,799 hours, 5,210 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cockpit 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/ASAA2018031523911

## Discrepancy

ZONE TEMP FOR CONTROL CABIN ILLUMINATED ON MASTER CAUTION RECALL,  EXTINGUISHED WITH MASTER CAUTION RESET.  ACFT GROUNDED.  PERFORMED A PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00,  RESET SYSTEM, SYSTEM OP CHECKED GOOD.   NO DEFECTS NOTED.

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