What was found
TRIM AIR PRSOV L LT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) FAILED. REPLACED LT TRIM AIR PRSOV, OPS CHECKED GOOD.
- Difficulty date
- June 23, 2013
- Submitted
- July 12, 2013
- Operation
- Air carrier
- Aircraft
- N772UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26930
- Aircraft time
- 71,454 hours, 12,757 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Shutoff Valve
- Part number
- 8102294
- Part serial
- 67
- Condition
- Failed
- Location
- Left
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.