# SDR ASAA2018070925321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2018
- Submitted: July 10, 2018
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 43,628 hours, 13,018 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- 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/ASAA2018070925321

## Discrepancy

ZONE TEMP (CONT CAB) ILLUMINATED UPON RECALL, EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. NR 2 CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. RESET FAULT. COMPLETED FIM 21-62 TASK 801, PACK TEMP CONTROL BITE. NO FAULTS, OK FOR SERVICE.

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