# SDR ASAA2017121822952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2017
- Submitted: December 20, 2017
- Operation: Air carrier
- Aircraft: [N462AS](https://openairdocs.org/aircraft/N462AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36362
- Aircraft time: 14,481 hours, 4,815 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: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017121822952

## Discrepancy

ZONE TEMP FOR CONTROL CABIN ILLUMINATED ON RECALL EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. INITIAL EVALUATION FOUND NR 2 TEMP CONTROLLER WITH FLT DECK TCV FAIL. PERFORMED BITE TEST REF AMM TASK 21-61-00-700-806-002. NO FAULT FOUND. RESET CONTROLLER PRESSED RECALL NO LIGHTS.

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