# SDR ASAA2022090539770

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2022
- Submitted: September 6, 2022
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 49,462 hours, 14,847 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 32902061
- Part serial: 4495
- Condition: Faulty
- Location: Right Ecs Bay
- Part time: 49,461 hours, 5,117 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022090539770

## Discrepancy

ON PUSHBACK RIGHT PACK ILLUMINATED WITH MASTER CAUTION RECALL. GROUNDED - YES. REMOVED AND REPLACED TEMPERATURE CONTROL VALVE REF B737-800 AMM 21-51-10 AND STANDBY TEMPERATURE CONTROL VALVE REF AMM 21-51-11.

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