What was found
FLIGHT 842 GSP/PIE - THE FLIGHT CREW REPORTED THAT THE LT GENERATOR FREQUENCY WENT TO 0 [ZERO]. LEFT CSD OIL OUTLET TEMPERATURE ROSE RAPIDLY. DISCONNECTED LEFT CSD AT [OIL TEMPERATURE] REDLINE PER QRH. THE AIRPLANE COMPLETED THE FLIGHT WITHOUT FURTHER INCIDENT. A "CRUISE" FLIGHT PHASE IS ASSUMED IN THE ABSENCE OF A FLIGHT CREW STATEMENT. ST. PETERSBURG MAINTENANCE PLACARDED THE LEFT GENERATOR SYSTEM INOPERATIVE IN ACCORDANCE WITH MEL 24-1-1 AND COMPLIED WITH THE 'M' PROCEDURE. ON 25 MARCH, 2007, ST. PETERSBURG MAINTENANCE REMOVED AND REPLACED THE LEFT CSD. SATISFACTORY OPERATIONAL AND LEAK CHECKS WERE ACCOMPLISHED PER AMM 24-10-01. THE MEL WAS CLEARED PER COMPANY PROCEDURES, THE PLACARDS WERE REMOVED AN