# SDR ASAA202002032030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2020
- Submitted: February 4, 2020
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 42,543 hours, 12,560 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Condition: Malfunctioned
- Location: Cockpit Temp
- Stage of operation: DE
- 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/ASAA202002032030

## Discrepancy

AT TOP OF DESCENT CONT CAB TEMP CONTROLLER ZONE TEMP ILLUMINATED ON RECALL. GROUNDED - YES. ACCOMPLISHED OPS TEST B737-800 AMM TASK 21-61-00-700-807-002 FOR CABIN TEMP CONTROL AND INDICATION, OPS TEST GOOD NO FAULTS FOUND.

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