What was found
AIR INTERRUPT, DIVERTED. EMER DECLARED, UNEVENTFUL LANDING & ACFT WAS NOT OVERWEIGHT. THE FLIGHT CREW NOTED A 2000 LP FUEL LOSS IN THE LT TANK & DETERMINED THAT THERE WAS A FUEL LEAK. RAN BOTH ENGS & ACCOMPLISHED CHECK FOR LEAKS WITH NO LEAKS BEING NOTED. REPLACED THE STANDARDIZED ELECTRONIC MODULE, SEM, IAW AMM 28-40-05. ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.