What was found
(CAN) DURING APPROACH, ACFT HAD AN L/E FLAP DISAGREE LIGHT ILLUMINATE, CREW INITIATED A GO AROUND. CHECKLIST WAS COMPLETED AND FLIGHT LANDED ON SECOND ATTEMPT WITHOUT FURTHER INCIDENT. FLIGHT LEG FAULTS SHOW 301 RT L/E. OPS TEST OF FLAP/SLAT SYSTEM CARRIED OUT, UNABLE TO DUPLICATE FAULT. NO HISTORY. CONSIDERED SERVICEABLE.