What was found
BLEED PRSOV R RIGHT ENGINE BLEED PRESSURE REGULATING SHUT OFF VALVE (PRSOV) FAILED OPEN OR CLOSED OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. REPLACED CONTROLLER AND PRSOV, OPS CHECKED OKAY.
- Difficulty date
- March 16, 2013
- Submitted
- March 19, 2013
- Operation
- Air carrier
- Aircraft
- N211UA
- Make and model
- Boeing 777222
- Aircraft serial
- 30217
- Aircraft time
- 46,501 hours, 10,056 cycles
- Engine
- Pwa PW4077
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 339910230
- Part serial
- 48
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.