What was found
AT FL 360 AND BLOW WITH THROTTLES SET APPROX 50 PCT THE LEFT DUCT PRESS FLUXES FROM 20-40 PSI. RPLC'D HIGH STAGE VALVE & HIGH STAGE CONTROLLER.
- Difficulty date
- February 26, 2012
- Submitted
- March 1, 2012
- Operation
- Air carrier
- Aircraft
- N673UA
- Make and model
- Boeing 767322
- Aircraft serial
- 29241
- Aircraft time
- 43,976 hours, 11,451 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 79027013
- Part serial
- 345
- Condition
- Faulty
- Location
- Bleed Air Sys
- Stage of operation
- CR
- 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.