What was found
ENGINE NR 2 DRIVE LIGHT ON ACCOMPLISHED QRH PROCEDURE. ACFT GROUNDED. REPLACED THE NR 2 IDG IAW AMM 24-11-11. INSPECTION IAW AMM 24-11-11-080-801 FOUND CONTAMINATION IN THE IDG FILTERS. REQUIRES REPLACEMENT OF THE IDG AIR/OIL COOLER AND REPLACEMENT OF THE IDG OIL COOLER. REPLACED THE IDG AIR/OIL COOLER, PN UA538551-3, SN 13331 IAW AMM 24-11-21. REPLACED THE IDG OIL COOLER, PN 45731-1393, SN EM557460, IAW AMM 73-11-06. ALSO FLUSHED THE PLUMBLING LINES IN THE IDG COOLING CIRCUIT IAW AMM 24-11-41. SERVICED THE NR 2 IDG TO FULL IAW AMM 12-13-21-600-801. OPS CHECK GOOD. LEAK CHECK GOOD. THIS CLEARS MEL24-1B.