# SDR ASAA2014031007128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2014
- Submitted: March 12, 2014
- Operation: Air carrier
- Aircraft: [N529AS](https://openairdocs.org/aircraft/N529AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35198
- Aircraft time: 15,517 hours, 4,714 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Light
- Condition: False Activation
- Location: A/C Packs
- Stage of operation: LD
- 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/ASAA2014031007128

## Discrepancy

BOTH PACK LIGHTS ILLUMINATED ON RECALL LANDING CHECK.  LIGHTS EXTINGUISH ON RESET OF MASTER CAUTION.  ACFT GROUNDED.  ACCOMPLISHED FIM 21-62, TASK 801.  NO FAULTS NOTED ON EITHER TEMP CONTROLLER.  NO HISTORY LAST 30 DAYS.  RAN BOTH PACKS.  NO FAULT WHILE ADJUSTING ZONE TEMPS.

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