What was found
BLEED VALVE MALFUNCTION PREVENTING ANTI-ICING ON ONE WING AND ENGINE. *S/D* FOUND FAILED PRESSURE REGULATING AND SHUTOFF VALVE (PRSOV). REPLACED PRESSURE REGULATING AND SHUTOFF VALVE (PRSOV).
- Difficulty date
- June 5, 2000
- Submitted
- October 4, 2000
- Operation
- Air carrier
- Aircraft
- N392UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24667
- Aircraft time
- 30,539 hours, 20,617 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Regulator
- Part serial
- UA00153920
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.