What was found
ELEC GEN OFF L LEFT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF AND ENGINE NOT SHUT DOWN. ADVISORY MSG01- NOT ACTIVE CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (L) FREQUENCY IS LOW. DB- GENERATOR CONTROL UNIT (L) MSG02- LATCHED CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (L) WAS MANUALLY DISCONNECTED. DB- GENERATOR CONTROL UNIT (L) MSG-2431631 INACTV ER MODE MSG-2431561 LATCHD ER MODE. FOUND IDG OIL LOW. LEAKING FROM OVERFLOW FITTING. REPLACED SAME AND SERVICED IDG WITH 9 PINTS. RECONNECTED. REQUEST CREW CONFIRM IDG OPS ON ENGINE START.