# SDR ASAA2012090992851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2012
- Submitted: September 11, 2012
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 21,219 hours, 6,371 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 7020
- Condition: Malfunctioned
- Location: A/C Bay
- Part time: 29,924 hours, 13,053 cycles
- Stage of operation: LD
- 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/ASAA2012090992851

## Discrepancy

DURING LANDING CHECK, RECALL RESULTED IN AN AIR COND ON F/O`S 6 PACK AND RT PACK LIGHT.  ACFT GROUNDED. REPLACED RT TEMPERATURE CONTROL VALVE.  INSTALLATION TEST PASSES, NO LEAKS NOTED.  REF AMM 21-51-10/401.

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