# SDR ASAA2018102426578

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2018
- Submitted: October 24, 2018
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 45,462 hours, 13,627 cycles
- System (JASC): [2162 · Cabin Temperature Indicator](https://openairdocs.org/jasc/2162)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- 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/ASAA2018102426578

## Discrepancy

ON RECALL CONT CABIN ZONE TEMP LIGHT ILLUMINATED. EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. CABIN TEMP CONTROL SYSTEM INOP. NR 2 PACK/ZONE TEMP CONTROLLER FAULTED FLT DECK TRIM VALVE. FAULT VERIFIED AND RESET; ALL PASS "GO" ON BOTH ZONE TEMP CONTROLLERS REF FIM 21-62- TASK 801.

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