Service difficulty report · Sensor · Boeing 74747UF

Difficulty date
July 13, 2003
Submitted
July 31, 2003
Operation
Air carrier
Aircraft
N494MC
Make and model
Boeing 74747UF
Aircraft serial
29255
Engine
Ge CF680
Part
Sensor
Part number
834503
Condition
Damaged
Location
Mlg Door
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
J, A

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

What was found

AFTER TAKEOFF DURING CLIMB/CRUISE, FAULT CODE 32 32 03 00 (GEAR DOOR). LEFT BODY GEAR DOOR POSITION INDICATOR SHOWED INTRANSIT IN BOTH GEAR UP AND GEAR DOWN POSITIONS. AIRCRAFT RETURNED TO HKG. FUEL DUMPED 36,500 KGS. FOUND LEFT BODY GEAR ALT SENSOR S428 DAMAGED. SENSOR REPLACED AND ADJUSTED REF AMM 32-61-31. GROUND CHECK INDICATES NORMAL.

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