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SDR QXEA2011022300184

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Service difficulty report · Uplock Sensor · Bombdr DHC8402

FAA SDR system

Difficulty date
February 20, 2011
Submitted
February 23, 2011
Operation
Air carrier
Aircraft
N421QX
Make and model
Bombdr DHC8402
Aircraft serial
4149
Aircraft time
10,043 hours, 10,789 cycles
System (JASC)
3260 · Landing Gear Position and Warning
Part
Uplock Sensor
Condition
Out Of Rig
Location
Rt Mlg
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

AFTER SELECTING MLG UP, RT MLG UNSAFE LIGHT STAYED ON. MLG HANDLE STAYED LIT. UNSAFE LIGHT WENT OUT BUT THE "RT DOOR" LIGHT CAME ON. THEN "RT DOOR' LIGHT WENT OUT & RT MLG UNSAFE LIGHT CAME ON & MLG HANDLE LIGHT CAME ON. THIS SEQUENCE CYCLED 3 TIMES & FINALLY SHOWED NORMAL INDICATIONS. COMPLIED WITH THE E /C & COMPLETED ALTERNATE MLG EXTENSION. LANDING UNEVENTFUL. FERRIED FOR REPAIRS. FOUND RT MLG UPLOCK SENSOR AT MAX LIMITS. RIGGED RT MLG UPLOCK SENSOR IAW AMM 32-61-06-830-801. OPS CHECKED GOOD. NO DEFECTS NOTED.