As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 DRIVE LIGHT NOT ILLUMINATED DURING PREFLIGHT WITHOUT ENGINES RUNNING. LIGHTS TEST OK. REMOVED AND REPLACED NR 1 IDG IAW AMM 24 11 11 400 801. NO METAL FOUND IN FILTERS. PERFORMED OPERATIONAL TEST FOR IDG NR 1 AND FOUND OPS NORMAL.