# SDR ASAA2014061008140

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2014
- Submitted: June 12, 2014
- Operation: Air carrier
- Aircraft: [N537AS](https://openairdocs.org/aircraft/N537AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35204
- Aircraft time: 9,429 hours, 2,774 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Message
- Condition: False Activation
- Location: A/C Pack
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014061008140

## Discrepancy

ON MASTER CAUTION RECALL, LT PACK LIGHT REMAINED ILLUMINATED.  WENT OUT WHEN MASTER CAUTION SYS WAS RESET.  ACFT GROUNDED.  PERFORMED PACK-ZONE TEMP CONTROLLER BITE PROCEDURE FIM 21-62-801. FAULT LOGGED WAS "TCV".  FAULT RESET.  VERIFY BITE CHECKED NORMAL SEVERAL TIMES.  NO PREVIOUS HISTORY.

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