What was found
ENGINE DRIVEN PUMP ON NUMBER 2 ENGINE LEAKING HYDRAULIC FLUID AT PUMP OUTLET. *S/D* LEAK WAS AT HYDRAULIC PUMP OUTLINE LINE CHECK VALVE LOCATED IN PYLON. CHECK VALVE WAS REPLACED. DEFECTIVE VALVE SENT TO VENDOR FOR FURTHER ANALYSIS.
- Difficulty date
- June 28, 1996
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N776UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26937
- Engine
- Pwa PW4077
- System (JASC)
- 2910 · Hydraulic System, Main
- Part
- Check Valve
- Part number
- S271W8113
- Condition
- Galled
- Location
- Pylon
- Stage of operation
- IN
- Nature of condition
- K
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.