Service difficulty report · Sequence Valve · Boeing 74747UF

Difficulty date
March 22, 2005
Submitted
April 15, 2005
Operation
Air carrier
Aircraft
N497MC
Make and model
Boeing 74747UF
Aircraft serial
29258
Part
Sequence Valve
Part number
366103
Condition
Malfunctioned
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FLT 862 - AFTER TAKEOFF GEAR LEVER WOULD NOT GO PAST OFF. LOCK OVERRIDE WOULD NOT RELEASE. EICAS MESSAGE GEAR DISAGREE, EICAS MESSAGE GEAR MONITOR, STATUS MESSAGE GEAR DISAGREE, STATUS MESSAGE GEAR MONITOR. NO FUEL DUMPED. LUBRICATED LANDING GEAR LEVER LOCK OVERRIDE MODULE. LANDING GEAR LEVER OPERATED AND LOCK OVER RIDE FUNCTION AND OPERATION FOUND NORMAL AS PER MM 32-33-01. CHECKED CABLE RUN FROM GEAR HANDLE TO SEQ VALVE, ALL FOUND NORMAL PER MM 20-11-03. REPLACED RIGHT GEAR SEQ VALVE PER 32-31-03, LEAK CHECK OK. P/N OFF 36610-3 S/N 2378. REPLACED PSEV PER MM 32-09-03, ALL CHECK OK P/N OFF, 8-569-20 S/N OFF, 5671. (M)

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