# SDR ASAA1159274

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2011
- Submitted: March 22, 2011
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 7,938 hours, 2,367 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 11596
- Condition: Faulty
- Location: Ac Bay
- Part time: 7,938 hours, 2,361 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1159274

## Discrepancy

ON RECALL ON AFTER START RIGHT PACK LIGHT ON.  MASTER CAUTION RESET PACK LIGHT GOES OUT.  FAULT CODE 216 224 000.  BITE CHECK SHOWS R TCV FAULTED.  REPLACED RIGHT PACK TCV.  OPS/LEAK CHECK GOOD REF AMM 21 51 10 400 801.

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