As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING SERVICE CHECK, FOUND NR 1 ENGINE IDG DPI POPPED (1ST OCCURRENCE IAW PLACARD) PERFORMED DPI FAULT ISOLATION IAW FIM 24-11, TASK 803. COMPLETED T/C 78424000. RESET DPI INDICATOR, RAN AFFECTED ENG. GROUND VERIFICATION SUCCESSFUL. SCRATCHED NR 1 OFF ON RESET COUNTER DECAL.