# SDR ASAA2015051511731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2015
- Submitted: May 18, 2015
- Operation: Air carrier
- Aircraft: [N594AS](https://openairdocs.org/aircraft/N594AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35191
- Aircraft time: 27,468 hours, 8,382 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 3989083
- Part serial: 1659
- Condition: Malfunctioned
- Location: Rt A/C Pack
- Part time: 72,194 hours, 35,203 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015051511731

## Discrepancy

RIGHT PACK LIGHT ILLUMINATES DURING RECALL, RESETS NORMALLY.  ACFT GROUNDED. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE CK REF FIM 21-61-00-700-806-002. NR 2 CONTROLLER SHOWS TCV FAULT.  REPLACED RT PACK TEMP CONTROLLER VALVE AS REQUIRED. OPS CKD GOOD, LEAK CKD GOOD.  REACCOMPLISHED FIM 21-61-00-700-806-002, NO FAULTS FOUND REF AMM 21-51-10-860-004.

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