# SDR ASAA2018012123247

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2018
- Submitted: January 23, 2018
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 37,096 hours, 11,316 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: 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/ASAA2018012123247

## Discrepancy

AFTER START,  ON RECALL RECEIVED A LT PACK LIGHT,  RAN THE V-LIST, LIGHT EXTINGUISHED.  ACFT GROUNDED.  PERFORMED A PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-51-00-700-803. NO FAULTS INDICATED AND NO MAINTENANCE HISTORY ON THE LT PACK WITHIN THE PAST 10 DAYS.

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