What was found
FLT 4262 - AFTER TAKEOFF, CREW RECEIVED LOW OIL PRESSURE WARNING, BOTH AURAL AND VISUAL NR 2 ENGINE. AIRCRAFT RETURNED TO GATE, OUTSIDE MAINTENANCE INSPECTED NR 2 ENGINE, SERVICED OIL LEVEL. AIRCRAFT WAS FERRIED TO CAK WHERE MAINTENANCE REPLACED OIL PRESSURE TRANSMITTER, GROUND RUNS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.