# SDR ASAA2016021415409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2016
- Submitted: February 17, 2016
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 2,398 hours, 785 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- 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/ASAA2016021415409

## Discrepancy

LEFT PACK LIGHT ON RECALL ILLUMINATES.  EXTINGUISH WITH THE MASTER CAUTION RESET. ACFT GROUNDED. ACCOMPLISHED CABIN TEMPERATURE CONTROLLER BITE PROCEDURE IAW FIM 21-61-TASK 801.  FOUND FAULT FOR TCV.  RESET FAULT FOR TCV, OPS CHECK NORMAL.

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