- Difficulty date
- December 14, 2018
- Submitted
- December 15, 2018
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35179
- Aircraft time
- 47,019 hours, 14,153 cycles
- Part
- Valve
- Part number
- 125334D1
- Part serial
- AA84574
- Condition
- Out Of Adjust
- Location
- Fuel Crossfeed
- Part time
- 47,019 hours, 14,153 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TECH SERVICE REQUEST. FOLLOW-UP TO REPORTS OF FUEL IMBALANCE. GROUNDED - YES. ACCOMPLISHED CROSSFEED VALVE FUNCTIONAL CHECK, FOUND FUEL TRANSFERRING. ACCOMPLISHED CROSSFEED VALVE ALIGNMENT, REF B737-800 AMM TASK 28-22-21-820-801. REPEATED FUNCTIONAL CHECK NO FUEL TRANSFERRED. ADJUSTED AND REINSTALLED CROSSFEED VALVE ADAPTER, REF B737-800 AMM TASK 28-22-21-400-805.