Service difficulty report · Proximity Switch · Doug DC873F

Difficulty date
January 30, 2007
Submitted
February 5, 2007
Operation
Air carrier
Aircraft
N606AL
Make and model
Doug DC873F
Aircraft serial
46044
Aircraft time
95,510 hours, 31,205 cycles
Engine
Ge CFM562C
Part
Proximity Switch
Condition
Defective
Location
Mlg Door
Part time
95,510 hours, 31,205 cycles
Stage of operation
TO
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

AFTER GEAR RETRACTION,THE LANDING GEAR DOORS NOT LATCHED LIGHT ILLUMINATED. THE CREW RECYCLED THE GEAR AND THE LIGHT REMAINED ON, UNTIL THE GEAR WAS EXTENDED. THE CREW CONTINUED AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE GEAR AND FOUND SEVERAL LOOSE HI-LOKS ALONG THE KEELBEAM TEE FITTINGS. MAINTENANCE REPLACED THE LOOSE HI-LOKS AND ALSO REPLACED THE LT PROXIMITY SWITCH. THE OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.

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