What was found
(CAN) THE FLAPS BECAME LOCKED DURING APPROACH. THE FLIGHT CREW PERFORMED A GO AROUND BEFORE LANDING ROUTINELY. CFR VEHICLES WERE PRESENT AS A PRECAUTION, HOWEVER THE ACFT WAS ABLE TAXI TO THE GATE WITHOUT ASSISTANCE. FLAP PDU`S INSPECTED IAW 27-54-00-210 NFF, LT PROX SENSOR 37CV REPLACED IAW AMM 2 7-51-44-400, OPS TEST CARRIED OUT. INDEPENDENT CHECK.