Service difficulty report · Actuator · Boeing 7373B7

Difficulty date
June 14, 1999
Submitted
April 26, 2000
Operation
Air carrier
Aircraft
N504AU
Make and model
Boeing 7373B7
Aircraft serial
23379
Part
Actuator
Condition
Malfunctioned
Location
Nlg
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

CLT - FLT 821 - AFTER TAKEOFF AND GEAR RETRACTION, CREW RECEIVED A NOSE GEAR UNSAFE LIGHT AND A WIND NOISE FROM THE NOSE GEAR AREA ONCE THE GEAR LEVER WAS PLACED TO THE OFF POSITION FROM THE UP POSITION. CREW PLACED GEAR LEVER BACK TO THE UP POSITION AND WIND NOISE STOPPED BUT UNSAFE LIGHT REMAINED ILLUMINATED. CREW RECYCLED GEAR WITH SAME RESULTS. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. ON GEAR EXTENSION, CREW RECEIVED THE NORMAL THREE GEAR GREEN LIGHTS. NO EMERGENCY WAS DECLARED. MAINTENANCE REMOVED AND REPLACED THE NOSE LANDING GEAR UPPER DRAG STRUT AND RETRACT ACTUATOR PER MM 32-21-21 AND 32-33-11. PERFORMED NOSE LANDING GEAR EXTENSION AND RETRACTION CHECK AND ALTERNATE G

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