# SDR ASAA2020012861984

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2020
- Submitted: January 29, 2020
- Operation: Air carrier
- Aircraft: [N495AS](https://openairdocs.org/aircraft/N495AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41728
- Aircraft time: 15,570 hours, 4,981 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Light
- Condition: False Activation
- Location: Cockpit Temp
- 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/ASAA2020012861984

## Discrepancy

DURING RECALL, CONT CAB ZONE TEMP CAUTION LIGHT ILLUMINATED. EXTINGUISHED ON RESET. GROUNDED - YES. ACCOMPLISHED LEFT AND RT PACK FLOW TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-740-801-002.  NO ACTIVE FAULTS LOGGED.  ACCOMPLISHED FLT DECK FILTER CLEANING AMM TASK 21-61-06-100-801. PERFORMED SYS OPS TEST REF AMM 21-00-00-800-801. SYS OPS TEST NORMAL.

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