What was found
#2 ENGINE IDG HAS HISTORY OF FREQUENT OIL SERVICING. (#PRI2/ETOPS). GROUNDED - YES. (RESOLVED ON W/O: 1975026 TASKCARD: N/R-00001 ) ACCOMPLISHED TSR LEAK CHECK ACCOMPLISHED IAW AMM 24-11-00-700-801 NO LEAKS FOUND. INTEGRATED AIR/OIL COOLERS INSPECTED FOR LEAKS IAW AMM 24-11-13 NO FAULTS FOUND. AUDIT OF LOG BOOK REVEALED IDG WAS SERVICED ON 10/07/23,10/14/23,10/21/23 AND NOW 10/28/23 EVERY SEVEN DAY INTERVAL. SUSPECT VENT VALVE AT FAULT .VENT VALVE REPLACED IAW AMM 24-11-OO LEAK CHECKED OK. UMESH TECH SERVICES NOTIFIED DEFECT CLOSED.