What was found
TRIM AIR PRSOV LEFT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) FAILED. STATUS MSG-2124201 ACTIVE ES MODE SECURED CONNECTORS ON THE UPPER FCV & THE LOW LIMIT VALVE ALL TEST PASSED ON MAT WITH NO MESSAGES PRESENT.
- Difficulty date
- August 4, 2013
- Submitted
- August 8, 2013
- Operation
- Air carrier
- Aircraft
- N799UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26926
- Aircraft time
- 67,237 hours, 9,546 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2197 · Air Conditioning System Wiring
- Part
- Connector
- Condition
- Unsecure
- Location
- Control Valve
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.