Service difficulty report · Valve · Boeing 7377BD

Difficulty date
September 15, 2026
Submitted
September 17, 2026
Operation
Air carrier
Aircraft
N7713A
Make and model
Boeing 7377BD
Aircraft serial
33919
Aircraft time
68,316 hours, 37,156 cycles
Engine
Cfmint CFM567B242
Part
Valve
Condition
Leaking
Location
Zone 400
Stage of operation
TX
How discovered
9
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

SUSPECTED FUEL LEAK ON NUMBER 1 ENGINE PERFORMED ENGINE VENTS AND DRAINS INSPECTION PER AMM 71-71-00. FOUND FUEL TO BE LEAKING OUT OF BSV & LPTACC DRAIN HOLE AT A RATE GREATER THAN 90 DROPS PER MINUTE AT IDLE REMOVED AND REPLACED #1 ENGINE LPTACC VALVE IAW AMM 75-22-04. NO LEAKS NOTED AT THIS TIME

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