As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 ENGINE IDG HAS A HISTORY OF REQUIRING FREQUENT SERVICING. ACFT GROUNDED. REMOVED NR 1 ENGINE IDG IAW TASK 24-11-11-000-801, INSTALLED NR 1 ENGINE IDG IAW TASK 24-11-11-400-801. PERFORMED OPS TEST ON NR 1 ENGINE IDG IAW TASK 24-11-00-700-802. NO LEAKS NOTED.