What was found
AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF AFTER ENGINES STARTED, PSEU LIGHT TURNED ON. BITE WAS PERFORMED TO THE PROXIMITY SWITCH SHOWING 32-62005 AND 27-62004 FAIL CODES. F IM 32-61 PROCEDURE TASK 805 AND TASK 825 WAS PERFORMED IAW MM 32-61-00, TESTED CORRECT. THE ENGINES WERE STARTED, BEING CORRECT. DURING OVERNIGHT SERVICE, FIM 32-09 PROCEDURE TASK 801 WAS PERFORMED, WITHOUT ANY MAINTENANCE MALFUNCTION MESSAGE IN PSEU.