What was found
RIGHT PACK CYCLING ON AND OFF WITH ASSOCIATED ADVISORY MESSAGE. CREW TRIED CYCLING PACK SWITCH, ADDING POWER FROM RT ENGINE, NO HELP. REPLACED RT LOWER FLOW CONTROL VALVE PER AMM AND COMPRESSOR DISCHARGE TEMP SENSOR M2 1520.
- Difficulty date
- February 17, 2012
- Submitted
- February 24, 2012
- Operation
- Air carrier
- Aircraft
- N227UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30555
- Aircraft time
- 41,720 hours, 5,081 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Control Valve
- Part number
- 8102042
- Part serial
- 2
- Condition
- Faulty
- Location
- A/C Pack
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.