What was found
LEFT DUCT PRESSURE FLUCTUATED BETWEEN 20-40 WHEN POWER REDUCED ON APPROACH REPLACED PRSOV PER MM. ACCOMPLISHED HIGH POWER RUN. NO SPLIT DUCT PRESS AT ANY POWER SETTING.
- Difficulty date
- March 26, 2011
- Submitted
- March 31, 2011
- Operation
- Air carrier
- Aircraft
- N669UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30025
- Aircraft time
- 42,812 hours, 11,305 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Shutoff Valve
- Part number
- 7732887810
- Part serial
- 47
- Condition
- Faulty
- Location
- Lt Duct
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.