# SDR ASAA2017090821858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2017
- Submitted: September 11, 2017
- Operation: Air carrier
- Aircraft: [N535AS](https://openairdocs.org/aircraft/N535AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35200
- Aircraft time: 26,100 hours, 7,560 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Warning Message
- Condition: False Activation
- Location: Rt A/C Pack
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017090821858

## Discrepancy

RIGHT PACK LIGHT CAME ON DURING RECALL, EXTINGUISHED DURING MASTER CAUTION RESET.  ACFT GROUNDED.  ACCOMPLISHED PACK TEMP CONTROLLER BITE IAW FIM 21-62, TASK 801. FOUND TCV FAULT ON THE NR 2 PACK LAST LEG.  VERIFIED TEST, NO CURRENT FAULTS. CLEARED FAULT, RT PACK OPS NORMAL.

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