What was found
UNSAFE NOSE GEAR INDICATION - NO GREEN LIGHT. RAN PROCEDURE PER QRH. RECYCLED GEAR. VIEWED NOSE GEAR PORT WITH A GEAR DOWN & LOCKED INDICATION NORMAL. NOSE GEAR GREEN LIGHT ILLUMINATED UPON FINAL APPROACH. AFTER JACKING A/C REMOVED CANNON PLUG FROM DOWNLOCK SWITCH S93 FOUND CANNON PLUG DETERIORATED WITH SKYDROL AND WATER, REMOVED AND REPLACED CANNON PLUG AS PER STD WIRING PRAC AND 32-64-01. ACTUATED NOSE GEAR NUMEROUS TIMES. NOSE GEAR DOWNLOCK INDICATING SYS OP CKS GOOD. OK FOR SERVICE.