What was found
TRIM AIR PRSOV RIGHT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE FAILED. RESET OK MSG-2124202 INACTV TA MODE. REPLACED RT TRIM AIR PRESSURE REGULATING AND SHUTOFF VALVE PER MM. TEST PASSED.
- Difficulty date
- February 17, 2010
- Submitted
- February 19, 2010
- Operation
- Air carrier
- Aircraft
- N791UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26933
- Aircraft time
- 54,438 hours, 8,045 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2160 · Cabin Temperature Control System
- Part
- Shutoff Valve
- Part number
- 8102296
- Part serial
- 140
- Condition
- Failed
- Location
- Cabin Air
- Stage of operation
- CR
- 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.