What was found
4 TIMES DURING FLT, LT PRIM ENGINE LOW HYD PRESS LT CAME ON BRIEFLY W-ASSC EICAS & RUD RATIO. LEFT ENGINE DRIVEN PUMP ASSEMBLY REPLACED AS PER AMM. PRESSURE AND CASE DRAIN FILTERS REPLACED AS PER AMM. TESTS OKAY.
- Difficulty date
- March 6, 2013
- Submitted
- March 8, 2013
- Operation
- Air carrier
- Aircraft
- N676UA
- Make and model
- Boeing 767322
- Aircraft serial
- 30028
- Aircraft time
- 43,360 hours, 10,642 cycles
- Engine
- Pwa PW4052
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Pump
- Part number
- 65057
- Part serial
- 21
- Condition
- Faulty
- Location
- Hydraulic Sys
- Stage of operation
- CR
- 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.