What was found
FLIGHT DIVERTED TO YEG TO REMOVE AN ILL PASSENGER. THE AIRCRAFT DEVELOPED A MECHANICAL PROBLEM AND RETURNED TO SFO. REPLACED RT JET ISOLATION VALVE. OP CHK'D THRU MAINT ACCESS TERMINAL. PASSED, NO EXISTING FAULT. NO STATUS MSG.
- Difficulty date
- November 19, 2007
- Submitted
- February 7, 2008
- Operation
- Air carrier
- Aircraft
- N786UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26938
- Aircraft time
- 46,304 hours, 6,978 cycles
- Engine
- Pwa PW4090
- System (JASC)
- 2830 · Fuel Dump System
- Part
- Valve
- Part number
- AV16B1659C
- Part serial
- 4095
- Condition
- Faulty
- Location
- Fuel System
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.