Service difficulty report · Valve · Boeing 75724APF

Difficulty date
May 13, 2024
Submitted
May 14, 2024
Operation
Air carrier
Aircraft
N433UP
Make and model
Boeing 75724APF
Aircraft serial
25464
Aircraft time
29,550 hours, 20,887 cycles
Part
Valve
Part number
2670296M1
Part serial
D438
Condition
Faulted
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
P
Precautionary procedure
O

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

What was found

JUST AFTER T/O, CREW ATTEMPTED TO RETRACT THE GEAR. THE GEAR LIGHTS EXTINGUISHED BUT THE DOORS AND GEAR LIGHT REMAINED ILLUMINATED. AT APPRX 8500 MSL, GEAR RETRACTED AND LIGHTS EXTINGUISHED. AFTER REPLACEMENT OF ABOVE-NAMED PARTS, VERIFIED ADJUSTMENT OF SEQUENCE VALVE, NLG DOOR ACTUATOR AND R/H GEAR DOOR OPERATING ROD. AFTER VERIFICATION PERFORMED GEAR SWING MULTIPLE TIMES AND VARIFIED ALL GEARS OPERATING NORMAL, FINAL GEAR SWING ACCOMPLISHED IAW AMM 32-32-00-501 REV.133 AND 32-34-00-501 REV.133, NORMAL OPS

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