What was found
LANDING GEAR BUMP THROUGH 15,000 FT, NO UNLOCK LIGHT INDICATED. COULD NOT DUPLICATE PROBLEM ON GROUND. CARRIED OUT T/S. MADE ADJUSTMENTS TO R/S CLEAR UPLOCK SWITCH. MLG SYSTEM OPS CHECK GOOD. COMPLIED WITH GEAR BUMP TROUBLESHOOTING IAW CE 750 MM. INSTRUCTED TO DO A COMPLETE CHECK FROM TOP OF T/S LIST. CARRIED OUT VISUAL CHECKS TO CABLES, HOOKS FOR THE EMER SYS COMPARED TENSIONS TO THAT OF OTHER CE-750 ON SITE. RANG UPLOCK SWITCHES FOR OPS & GROUND TO A/C GOOD. CHECK ADJUSTMENTS TO UPLOCK SWITCHES VIA O-RING CHECK HAD TO ASDJUST RT SWITCH. CARRIED OUT MANIFOLD BLEED RATE CHECK & BLED TO LESS THAN 1500 PSI IN LESS THAN 1/2 MIN. DURING T/S SWUNG GEAR SEVERAL TIMES & COULD NOT DUPLICATE BUMP. MLG OPS CHECK GOOD.