# SDR ASAA2015012510412

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 25, 2015
- Submitted: January 27, 2015
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 33,172 hours, 9,787 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: Nr 2
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015012510412

## Discrepancy

RT PACK LIGHT ILLUMINATED ON RECALL AFTER ENGINE START.  ACFT GROUNDED.  ACCOMPLISHED BITE TEST OF BOTH CONTROLLERS IAW TASK 21-61-00-700-806-002.  FOUND "TCV" FAULT ON NR 2 CONTROLLER RESET FAULT AND RAN BITE TEST TWICE. FAULT CLEARED. NO HISTORY LAST 60 DAYS.

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