Service difficulty report · Limit Switch · Doug DC983

Difficulty date
December 29, 2014
Submitted
January 5, 2015
Operation
Air carrier
Aircraft
N417NV
Make and model
Doug DC983
Aircraft serial
53347
Aircraft time
43,225 hours, 37,282 cycles
Part
Limit Switch
Part number
758405404
Condition
Broken
Location
Cockpit
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

AFTER TAKEOFF WHEN LG WAS RETRACTED, THE LG AURAL WARNING SOUNDED NONSTOP. UNABLE TO CANCEL IT, NO UNSAFE LIGHTS, LG DOOR OPEN WAS OUT, ACFT LG LIGHTS WERE OUT, NLG INDICATOR WAS RETRACTED. THE WARNING CEASED WHEN WE PASSED 210 KTS. ON THE RETURN THE LG WARNING, AURAL, DID NOT SOUND WHEN THE THROTTLES WERE AT IDLE WITH THE GEAR UP & THE SPEED WAS 190 KTS. THE RED UNSAFE LIGHTS DID NOT ILLUMINATE. THE ALTITUDE WAS 3000 FT ALL LG EXTENDED LIGHTS OPERATED NORMALLY. SEE LP 566930, 566934, 566932 FOR R & R RT SWITCH PACK ASSEMBLY & PANELS. OPERATIONS CHECK OF RT THROTTLE SWITCH ASSEMBLY & PERFORMED GEAR SWING FOR LG POSITION & WARNING INDICATION SYS. CHECKED OK IAW MM 32-60-00.

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