Service difficulty report · Unknown · Boeing 737824

Difficulty date
July 4, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N77518
Make and model
Boeing 737824
Aircraft serial
31605
Aircraft time
52,313 hours, 18,951 cycles
Part
Unknown
Condition
Leaking
Location
Zone 500
Stage of operation
CL
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

FUEL LEAK REPORTED, LEFT WING AFTER TAKEOFF PILOTS REPORTED: (TOWER AND TRAILING PLANE INFORMED CREW THAT FUEL WAS LEAKING FROM LEFT WING. LEFT FUEL TANK IMBALENCE OF 300LBS, ENGINE FUEL FLOW WAS EVEN BETWEEN LEFT AND RIGHT ENGINES. LEAK STOPPED IN FLIGHT AFTER REDUCED THROTTLE. INSPECTED FUEL VENTS AND PANELS ON LEFT WING, NO MOISTURE OR RESIDUAL FUEL FOUND. THERE IS A STRONG ODOR OF FUEL COMING FROM OUTER LT AILERON RUB STRIP, BUT NO OTHER EVIDENCE OF FUEL LEAK. REMOVED LT WING ACCESS PANEL UNDER AILERON INSPECTED AREA FOR EVIDENCE OF FUEL LEAKS NONE FOUND , REINSTALLED PANEL REF. AMM TASK 06-44-00-800-801. PERFORMED PRESSURE FUELING SYSTEM TEST REF. AMM TASK 28-21-00-700-801, DC FLOAT SWITCH CLOSES LT TANK FUELING SHUT OFF VALVE WHEN TANK FULL, FUELING PANEL MATCHES QTY INDICATION. NO FUEL LEAKS NOTED ON LH WING , SURGE TANK IS DRY WITH LH WING, TANK FULL.