Service difficulty report · Shutoff Valve · Boeing 777222
FAA SDR system
- Difficulty date
- December 15, 2010
- Submitted
- December 30, 2010
- Operation
- Air carrier
- Make and model
- Boeing 777222
- Aircraft serial
- 30212
- Aircraft time
- 51,466 hours, 7,452 cycles
- Engine
- Pwa PW4090
- Part
- Shutoff Valve
- Part number
- 32153024
- Part serial
- 65
- Condition
- Faulted
- Location
- Lt Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED PRSOV LT, LT ENGINE BLEED PRESSURE REGULATING SHUTOFF VALVE (PRSOV) FAILED OPEN OR CLOSED OR LT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; PRESS REGULATING AND SOV (LT) FAILED CLOSED. DB- AIR SUPPLY & CABIN PRESSURE CONTROLLER (LT) MSG-3610250 LATCHD CL MODE. REPLACED PRSOV IAW MM. OPS AND LEAK CHECKED NORMAL. MESSAGE CLEARED.