# SDR ASAA2017051020702

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2017
- Submitted: May 11, 2017
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 24,688 hours, 7,126 cycles
- System (JASC): [2161 · Cabin Temperature Controller](https://openairdocs.org/jasc/2161)
- Part: Controller
- Condition: Faulted
- Location: Cabin Temp
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017051020702

## Discrepancy

ZONE TEMP LIGHT ILLUMINATES WITH DURING RECALL - CONT CAB ZONE TEMP LIGHT. GROUNDED - YES. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST. NR 1 CONTROLLER TEST PASSED NO FAULTS. NR 2 CONTROLLER SHOWED FLIGHT DECK FAULT. RESET NR 2 CONTROLLER, TEST PASSED, NO FAULTS NOTED. TEST RECALL SWITCH NO FAULTS NOTED, CONTROL CAB ZONE TEMP LIGHT OFF, REF AMM 21-61-00-700-806-002.

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