What was found
INVESTIGATED REPEATED INTERMITTENT LANDING GEAR RETRACT/ EXTENSION SYSTEM FAULTS. FOUND WIRES G45F22 AND G10L22 FOR NOSE LANDING GEAR DOWNLOCK SWITCH CHAFING ON ENVIRONMENTAL AIR CROSS-OVER DUCT IN LOWER RT NOSE KEEL AREA. REPAIRED DAMAGED WIRING AS REQUIRED AND SECURED. ALSO REPAIRED ADJACENT AIR CONDITIONING SYSTEM WIRING CHAFING IN SAME AREA. RECOMMEND THAT THIS AREA AND OTHER SIMILAR SELDOM INSPECTED AREAS BE INSPECTED FOR GENERAL WIRING CONDITION AND OTHER FAULTS AFTER THE AIRCRAFT HAS ACCUMULATED 5000 HRS OR IS PAST TEN YEARS OLD. (K)