What was found
DUCT PRESSURES FROM APU ZERO WITH APU RUNNING, APU BLEED SWITCH ON, ISOLATION VALVES OPEN, AND ENGINE (BLEED) OFF LIGHTS DISPLAYED ON BOTH ENGINES.
- Difficulty date
- February 5, 2009
- Submitted
- February 9, 2009
- Operation
- Air carrier
- Aircraft
- N669UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30025
- Aircraft time
- 34,515 hours, 9,321 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 4950 · APU Bleed Air System
- Part
- Unknown
- Condition
- Malfunctioned
- Location
- Bleed Air Sys
- Stage of operation
- IN
- 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.