52-01-03 CKPT DOOR BK UP Overhead Panel

52-01-03-01 CTL pb FAULT light on the CKPT DOOR BK UP Overhead Panel
52-01-03-02 CTL pb OPEN light on the CKPT DOOR BK UP Overhead Panel
52-01-03-31 CTL pb on the CKPT DOOR BK UP Overhead Panel
52-01-03-32 BK UP Function of the LKG SYS sw on the CKPT DOOR BK UP Overhead Panel
52-01-03-33 NORM Function of the LKG SYS sw on the CKPT DOOR BK UP Overhead Panel
52-01-03-34 OFF Function of the LKG SYS sw on the CKPT DOOR BK UP Overhead Panel