# SDR ASAA2015081612901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2015
- Submitted: August 20, 2015
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 18,159 hours, 5,338 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: Lt A/C Pack
- 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/ASAA2015081612901

## Discrepancy

LEFT PACK LIGHT ILLUMINATED ON RECALL AND RESETS.  ACFT GROUNDED. PERFORMED ZONE TEMP CONT TEST IAW MM 21-61-00.  SYSTEM OP CHECKED GOOD.  FOUND TCV FAULT.  COMPLETED VERIFY TEST NO CURRENT FAULTS AT THIS TIME.

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