What was found
AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF FUEL LEAK. FUEL LEAK LEFT TANK AFTER T.O. LEFT SIDE 2000 LBS LOW AFTER 22 MINUTES. EMERGENCY WAS DECLARED AND THEY WERE OVERWEIGHT FOR LANDING. FLIGHT LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED GVI, NO EXTERNAL FUEL LEAKS NOTED OVER 24 HOUR GROUND WATCH. NO FUEL QTY FAULTS. IAW AMM 28-21-00, NO UNWANTED FUEL TRANSFER ON GROUND WITH A/C LEVEL. FROM TANK 1 OR 2 INTO CENTER.