What was found
THE C HYD DEM PUMP EICAS MSG DURING GEAR FLAP RETRACTION. REPLACED ADP PRESSURE SWITCH S28, NO HELP. FOUND CTR DEM PUMP ADP OVERSPEED. REPLACED ADP. NO LEAKS AND OPERATIONAL TEST PASSED.
- Difficulty date
- September 28, 2009
- Submitted
- September 30, 2009
- Operation
- Air carrier
- Aircraft
- N655UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25393
- Aircraft time
- 71,973 hours, 11,732 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- 32687929
- Part serial
- 11
- Condition
- Faulty
- Location
- Hydraulic Sys
- Stage of operation
- CL
- 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.