# SDR ASAA2019070829962

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2019
- Submitted: July 9, 2019
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 41,027 hours, 12,285 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/ASAA2019070829962

## Discrepancy

CONT CAB ZONE TEMP LT ON RECALL. EXT WITH MASTER CAUTION RESET. GROUNDED - YES. RIGHT CONTROLLER LOGGED FLT DECK TRIM VALVE FAULT. RESET FAULT. VALVE OPERATION WAS NORMAL & SMOOTH DURING BITE. COULD NOT RE-DUPLICATE FAULT. OP CK NORMAL. REF FIM 21-62 TASK 832.

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