# SDR ASAA2012070592476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2012
- Submitted: July 10, 2012
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 16,124 hours, 5,169 cycles
- Engine: Cfmint CFM567B273
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Controller
- Condition: Malfunctioned
- Location: A/C Pack
- 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/ASAA2012070592476

## Discrepancy

RT PACK LIGHT ILLUMINATES ON MASTER RECALL RECALL-EXTINGUISHES WHEN MASTER CAUTION IS RESET.  NR1 CONTROLLER SHOWS STANDBY CONTROLLER FAULT, NR2 CONTROLLER SHOWS TCV FAULT. BOTH FAULTS RESET,VERIFIED.  RAN BOTH PACKS REF MM 21-61-00,  OPS NORMAL, SAME.  GROUND VERIFICATION GOOD. SEAM C NOTIFIED.

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