# SDR ASAA2018091926191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2018
- Submitted: September 20, 2018
- Operation: Air carrier
- Aircraft: [N419AS](https://openairdocs.org/aircraft/N419AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41734
- Aircraft time: 21,780 hours, 7,177 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- 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/ASAA2018091926191

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED ON RECALL. RESET WITH SECOND PUSH. GROUNDED - YES. ACCOMPLISHED CABIN ZONE TEMP CONTROLLER BITE REF FIM 21-62 TASK 801. NR 2 CONTROLLER SHOWS "TEMP CONTROL VALVE" FAULT LAST LEG. ACCOMPLISHED VERIFY AND CLEARED FAULT. RIGHT PACK OPS NORMAL REF SAME.

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