What was found
DURING DESCENT THROUGH 15,000 AT 340 KIAS, THE FLAP FAIL CAS, AMBER FLAP SYNOPTIC AND FLAPS RESET LIGHT CAME ON. AFM PROCDURES WERE FOLLOWED. SLATS EXTENDED, BUT FLAPS DID NOT. VERIFIED FLAPS INOP ON INITIAL OPS CHECK. CONNECTED FLAP SYSTEM BREAKOUT BOX. FOUND RH RESOLVER BAD. SYSTEM OPS CHECKED GOOD USING ONLY THE LT RESOLVER. REPLACED RH RESOLVER IAW 750 M/M 27-52-00. FOUND LT FLAPS OUT OF MECHANICAL RIG. MECHANICALLY AND ELECTRICALLY RIGGED FLAPS IAW 750 M/M 27-50-00. PERFORMED FLAP SYSTEM OPERATIONAL TEST AND FLAP CONTROLLER FUNCTIONAL TEST IAW 750 M/M 27-50-00. OPS CHECK GOOD IAW 750 M/M 27-50-00.