# SDR ASAA2020011331828

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2020
- Submitted: January 14, 2020
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 18,173 hours, 5,828 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: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020011331828

## Discrepancy

UPON RECALL "ZONE TEMP" FOR THE FWD CAB LIGHT ILLUM. RESET WITH MASTER CAUTION RESET BUTTON. GROUNDED - YES. RESET PACK CONTROL TEMP IAW FIM 21-62-801 CONTROL SEQIT FAULT CAB TEMP FAULT NO LONGER PRESENT.

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