Service difficulty report · Fuse · Boeing 7377BD

Difficulty date
July 28, 2025
Submitted
July 28, 2025
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
58,638 hours, 31,232 cycles
Part
Fuse
Condition
Leaking
Location
Zone 700
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

AFTER GEAR RETRACTION LOSS OF HYD SYST. A; HYD A ENG1 AND ELEC2 LOW PRESSURE LIGHTS; FLT CTRL A LOW PRESSURE LIGHTS AND FEEL DIFF PRESS LIGHTS ALL ILLUMINATED AND HYDR A QRT WAS ZERO<[01] FOUND MAIN GEAR RETRACT PRESSURE FUSE LEAKING. R/R MAIN GEAR RETRACT FUSE PER AMM 32-32-21. UP TO SUBTASK E FOR INSTALLATION.

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