# SDR ASAA2016021615477

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2016
- Submitted: February 18, 2016
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 9,125 hours, 2,998 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: DE
- 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/ASAA2016021615477

## Discrepancy

ON RECALL TOD, LT PACK LIGHT CAME ON. PACK LIGHT GOES OUT WHEN MASTER CAUTION PUSHED.  ACFT GROUNDED.  PERFORMED PACK/ZONE TEMPERATURE CONTROLLER BITE CHECK ON BOTH PACK ZONE CONTROLLERS IAW AMM TASK 21-61-00-700-806-002.  NO FAULTS ON EITHER CONTROLLER.  LT PACK LIGHT DOES NOT COME ON PRESSING RECALL.

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