# SDR ASAA2019042929198

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2019
- Submitted: May 1, 2019
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 42,244 hours, 12,656 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- 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/ASAA2019042929198

## Discrepancy

AFTER START, UPON MASTER RECALL CONT CAB ZONE TEMP ILLUMINATED. EXTINGUISHED AFTER PUSHING MASTER CAUTION. GROUNDED - YES. ACCOMPLISHED BITE PER FIM 21-61 TASK 801. CONTROLLER NR 2 SHOWS FLT DECK TRIM VALVE FAULT. AFTER RUNNING FULL BITE THE FAULT CLEARED.

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