# SDR ASAA2014071808586

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2014
- Submitted: July 22, 2014
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 28,017 hours, 8,403 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Part number: 3989083
- Part serial: 8951
- Condition: Malfunctioned
- Location: Rt A/C Pack
- Part time: 27,729 hours, 8,535 cycles
- Stage of operation: AP
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014071808586

## Discrepancy

DURING RECALL ON LANDING CHECK LIST RT PACK LIGHT ILLUMINATED.  ACFT GROUNDED.  BITE CHECKED NR 2 PACK CONTROLLER REF FIM 21-62, TASK 801.  FOUND RAM AIR ACTUATOR FAULT, BUT NO FAULT WITH VERIFY, RESET FAULTS AND RE-CHECKED, FAULT DID NOT RETURN.  RT PACK, OPS NORMAL.  REMOVED & REPLACED RT TCV IAW MM 21-51-10 OPS & LEAK CHECKED GOOD.

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