# SDR ASAA2013121096713

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2013
- Submitted: December 12, 2013
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 18,707 hours, 5,627 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3966081
- Part serial: 2838
- Condition: Failed
- Location: A/C Bay
- Part time: 21,861 hours, 6,599 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013121096713

## Discrepancy

15,000 FEET, DURING PACK HIGH FLOW INHIBIT TEST ON LT PACK WITH LT PACK OFF, FLAPS 1 SELECTED CABIN RATE F/O CLIMB DID NOT RATE UP.  ACFT GROUNDED.  R & R LT FLOW CONTROL VALVE IAW MM 21-51-01, PERFORMED OPS CHECK/LEAK TEST, CHECKED GOOD.

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