As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"GEN DRIVE LGT" ILLUMINATED APPROX 5 MINUTES LATER. DISCONNECTED RT GEN DRIVE BY FOLLOWING QRH CHECKLIST (GENERATOR DRIVE). ADDITIONAL ITEM PART REMOVED FROM ITEM NR 24101320. REMOVED AND REPLACED EXCHANGER- IDG AIR/OIL HEAT IAW AMM 24-11-04-4. LEAK CHECK OK. (K)