What was found
TRIM AIR PRSOV RIGHT TRIM AIR PRESSURE RELIEF SHUTOFF VALVE (PRSOV) FAILED. REPLACED TRIM AIR PRSOV VALVE, OPS CHECK GOOD.
- Difficulty date
- April 9, 2013
- Submitted
- May 30, 2013
- Operation
- Air carrier
- Aircraft
- N776UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26937
- Aircraft time
- 70,160 hours, 12,371 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Shutoff Valve
- Part number
- 8102294
- Part serial
- 94
- Condition
- Failed
- Location
- Ac Bay
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.