As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOW UP TO NR 1 IDG INCREASING FREQUENT SERVICING. REMOVED & REPLACED NR 1 ENG IDG REF AMM 24 11 11. FOUND IDG / GEARBOX MAGNETIC SEAL DETERIORATING. REMOVED & REPLACED NR 1 ENG IDG / GEARBOX SEAL WITH NEW SEAL REF AMM 72 60 00 400 802 F00. OPS & LEAK CHECKS NORMAL. PART NUMBER VERIFIED W/ SEAMC.