As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE IDG DPI RED BUTTON IS EXTENDED. ACFT GROUNDED. REMOVED AND INSPECTED THE NR 1 IDG SCAVENGE AND CHARGE FILTERS. DRAINED IDG OIL AND INSPECTED. FOUND NO EVIDENCE OF METAL OR SIGNS OF EXCESSIVE WEAR. RESET THE DPI BUTTON AND MARKED THE DECAL FOR FIRST RESET. INSTALLED NEW SCAVENGE AND CHARGE FILTERS. SERVICED THE NR 1 IDG. LEAK CHECK GOOD. REF AMM 24-11-41-200-801.