What was found
GRU - FLT 951 - LEFT GENERATOR FAILED IN FLT. DEFERRED THE LEFT ENG GEN DRIVE INOP, AS PER MEL REF ACCOMPLISHED MPM CHECK 24-01 AND OIL SERVICED BOTH IDGS PER MM 12-13-03. PLACARD AND MIC SHEET ENTERED. MEL REF 24-01 AUTH NR 06-0288DC-B. REMOVED AND REPLACED LEFT ENGINE GENERATOR DRIVE UNIT AS PER MM SERVICED IDG, RUN UP OK. DISCONNECTED IDG AND RECONNECTED AND RECHECKED ON RUN UP. ALL CHECKS OK. REMOVED MEL 06--0288DC-B AND CLEARED MIC SHEET. (M)