# SDR ASAA2016111918734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2016
- Submitted: November 28, 2016
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 9,577 hours, 3,157 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 3989083
- Part serial: 10459
- Condition: Failed
- Location: Rt A/C Pack
- Part time: 30,200 hours, 9,961 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016111918734

## Discrepancy

RIGHT A/C PACK LIGHT ILLUMINATED ON RECALL AND EXTINGUISHED WITH MASTER CAUTION RESET. ACFT GROUNDED.   ACCOMPLISHED RIGHT PACK, ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-60-00. NO FAULTS. LIGHT REMAINS EXTINGUISHED ON RECALL. REMOVED AND REPLACED RIGHT TEMPERATURE CONTROL VALVE. LEAK CHECK GOOD IAW  21-51-10.

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