What was found
TAKEOFF ABORTED AT 100 KTS DUE TO MASTER WARNING " FUSELAGE DOORS " INDICATION WAS REAR CARGO DOOR PRIOR ON PUSHBACK FROM CARGO DOOR INDICATED UNLOCKED FOR ABOUT 30 SECOND THEN SHOWED CLOSED. WE HAD DOOR CONFIRMED CLOSED & LATCHED BY GROUND CREW. AFTER CLEARING RUNWAY ON ABORT DOOR ONCE AGAIN SHOWED CLOSED. INTERROGATED PSEU, FOUND FAULT " ABDRLK " INDUCTENCE VALUE OUT OF LIMITS, RIGGED AFT BAGGAGE DOOR PROXIMITY SENSOR, IAW AMM TASK 52-71-01-830-806. PROXIMITY SENSOR IS NOW WITH IN LIMITS IAW SUBTASK 52-71-01-830-151 CLEARED FAULTS IN PSEU, FAULT DID NOT RETURN, OP'S CHECKS GOOD, NO FUTHER DEFECTS NOTED.