# SDR ASAA201805214691

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2018
- Submitted: May 21, 2018
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 42,095 hours, 12,648 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: TX
- 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/ASAA201805214691

## Discrepancy

CONTROL CABIN ZONE TEMP ILLUMINATED ON RECALL AFTER START.  THE CONTROL CABIN ZONE TEMP LIGHT GOES OUT ON MASTER CAUTION RESET.   ACFT GROUNDED.   PERFORMED A PACK TEMP CONTROL BITE, FOUND NO FAULTS.  LIGHT DOESN'T ILLUMINATE ON RECALL IAW FIM 21-62, TASK 801.

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