What was found
MAIN CARGO DOOR SYS STATUS MESSAGE ON ROLLOUT. OPERATED MCD SEVERAL TIMES, COULD NOT DUPLICATE WRITEUP. INSPECTED ALL 4 CAMLOCK SWITCHES FOR SECURITY AND OPERATION, ALL CHECK GOOD. THE "MN CARGO DR SYS" STATUS MESSAGE STARTED TO APPEAR AFTER THE MCD PRESSURE SWITCH S10518 WAS REPLACED ON 1/28/2022, SEE TSI 52-70/8481. NOTE: THIS PRESSURE SWITCH CAN AND WILL CAUSE THIS STATUS MESSAGE TO COME ON. AS A PRECAITIONARY, REPLACED THE MCD PRESS SWITCH S10518 REF B57 AMM 52-32-15-04 AND INSPECTED THE