As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT AIR RETURNED TO DFW ON ACCOUNT OF HIGH OIL CONSUMPTION AND ENGINE IDLE ISSUE. EMERGENCY WAS DECLARED. MAINTENANCE TROUBLESHOT AND FOUND OIL LEAK FROM IDG DRIVE ASSEMBLY. REPLACED DRIVE SEAL ASSEMBLY IAW AMM 72-60-28. LEAK AND OPS CHECK GOOD IAW AMM 24-21-51.