# SDR ASAA2017031720191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2017
- Submitted: March 21, 2017
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 39,709 hours, 12,071 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Warning Message
- Condition: False Activation
- Location: Tcv
- Stage of operation: NR
- How discovered: V
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017031720191

## Discrepancy

RIGHT PACK LIGHT ILLUMINATED ON RECALL. YELLOW MASTER CAUTION LIGHT EXTINGUISHED WHEN RESET IS PRESSED.  ACFT GROUNDED.   NR 2 ZONE CONT LOGGED A TCV FAULT, FAULT CLEARED & TESTED NORMAL IAW AMM 21-61-00. RAN PACK, SYSTEM OPS NORMAL.

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