Service difficulty report · Conduit · Boeing 747422

Difficulty date
October 27, 2013
Submitted
October 29, 2013
Operation
Air carrier
Aircraft
N182UA
Make and model
Boeing 747422
Aircraft serial
25279
Aircraft time
92,657 hours, 11,108 cycles
Engine
Pwa PW4056
Part
Conduit
Condition
Damaged
Location
Lt Mlg
Stage of operation
CL
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

LANDING GEAR ISSUES, RTFL DUE TO DAMAGED CONDUIT ON LT BODY GEAR SIDE BRACE, INSPECT WIRING FOR DAMAGE. ACCOMPLISHED VISUAL INSPECTION OF WIRES INSIDE OF CONDUIT USING FLEXIBLE SCOPE IMAGING, NO DAMAGE NOTED. ACCOMPLISHED RING OUT OF ALL WIRES IN CONDUIT FOR OPENS & OR SHORTS TO GND USING VOLT-OHM METER, NONE FOUND. ACCOMPLISHED INSULATION BREAKDOWN TEST OF ALL WIRES IN CONDUIT USING MEAGER, ALL TESTED OK, IAW WDM 32-42-15, 32-46-12, 8452432-48-12, 32-53-13, 32-61-15, 32-61-24 & STANDARD WIRING PRACTICES MANUAL CHP 20. ALSO IAW WDM 32-48-13 & WDM 32-53-12.