SDR 2021F00134

Service difficulty report · Flow Valve · Boeing 737852

Difficulty date
July 23, 2021
Submitted
August 23, 2021
Operation
Air carrier
Make and model
Boeing 737852
Aircraft serial
43659
Aircraft time
22,806 hours, 8,568 cycles
Part
Flow Valve
Part number
2670136
Part serial
20727
Condition
Damaged
Location
Fuel System
Part time
28,060 hours, 12,469 cycles
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

26.07.2021 23:30 FUEL SPILLAGE IN RIGHT TANK DUE TO THE VALVE DID NOT CLOSE. DURING FUELING, A FUEL SPILLAGE IN THE RIGHT TANK OCCURRED DUE TO THE SHUTOFF VALVE DID NOT CLOSE AUTOMATICALLY; THE PLATFORM WAS CLEANED BY FIREMEN. MAINTENANCE PERSONNEL CLOSED THE VALVE MANUALLY AND IT WAS PERFORMED REVISION, DETECTING THE FUEL SHUTOFF VALVE; SO THE FUEL SHUTOFF VALVE WAS REPLACED IAW AMM 28-21-51, TESTED CORRECT.