# SDR ASAA2016031415903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2016
- Submitted: March 16, 2016
- Operation: Air carrier
- Aircraft: [N428AS](https://openairdocs.org/aircraft/N428AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36353
- Aircraft time: 6 hours, 6 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016031415903

## Discrepancy

ALL PACK TEMP CONTROLLERS IN OFF ON ARRIVAL TO ACFT.  ALL ZONE TEMP LIGHTS AND BOTH PACK LIGHTS ILLUMINATE ON RECALL.  CANCEL WITH MASTER CAUTION.  ACFT GROUNDED. PERFORMED PACK/ZONE TEMP BITE IAW AMM 21-61-00-700-806-002, NO FAULTS.

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