What was found
TRIM AIR PRSOV LEFT TRIM AIR PRESSURE RELIEF SHUT OFF VALVE (PRSOV) FAILED. STATUS MSG-2124201 INACTV TA MODE. REPLACED LT TRIM AIR PRESSURE RELIEF VALVE, OPS CHECKED GOOD.
- Difficulty date
- October 20, 2010
- Submitted
- November 15, 2010
- Operation
- Air carrier
- Aircraft
- N775UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26947
- Aircraft time
- 61,617 hours, 11,230 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Shutoff Valve
- Part number
- 8102296
- Part serial
- 125
- Condition
- Faulty
- Location
- A/C Pack
- 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.