Service difficulty report · Transfer Valve · Boeing 737890

Difficulty date
January 6, 2018
Submitted
January 9, 2018
Operation
Air carrier
Aircraft
N563AS
Make and model
Boeing 737890
Aircraft serial
35180
Aircraft time
42,461 hours, 12,766 cycles
Part
Transfer Valve
Part number
125334D1
Part serial
AA86810
Condition
Malfunctioned
Location
Fuel System
Part time
42,461 hours, 12,766 cycles
Stage of operation
NR
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.

What was found

FUEL IMBALANCE. ACFT GROUNDED. ACCOMPLISHED CROSSFEED VALVE ALIGNMENT IAW AMM 28-22-21-820-801. REMOVED AND REPLACED THE ENGINE FUEL CROSSFEED VALVE BODY IAW AMM 28-22-21-000-803, AND AMM 28-22-21-400-803. COMPLETED ALL OPS AND LEAK CHECKS. NO UNWANTED FUEL TRANSFER NOTED.