What was found
AIR DEMAND C1 HYD PUMP APPEARS TO RUN CONT REGARDLESS OF SWITCH POSIT. REPLACED MODULATING SHUTOFF VALVE C1 HYD PUMP AS PER MM. ALL OPS AND CHECK OKAY.
- Difficulty date
- March 17, 2012
- Submitted
- April 20, 2012
- Operation
- Air carrier
- Aircraft
- N796UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26931
- Aircraft time
- 63,160 hours, 8,954 cycles
- Engine
- Pwa PW40903
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Shutoff Valve
- Part number
- 32153947
- Part serial
- 379
- Condition
- Faulty
- Location
- Hydraulic Sys
- Stage of operation
- NR
- 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.