What was found
DURING PUSHBACK AP, FD, AND NO LAND 3 ILLUMINATED. AIRCRAFT BTB AND GROUNDED BY MAINTENANCE. DEFERRED, REMOVED AND REPLACED LEFT FCC, IAW B767 AMM 22-11-01. OPERATIONS CHECK GOOD. MAINTENANCE PROCEDURE REVERSED, IAW MEL 22-10-1. THIS CLEARS DI NR 20014, PLACARD REMOVED. A/C DOWNGRADED TO CAT I PENDING SERVICE 30-40, PLACARD ROTATED. AIRCRAFT RELEASED.