What was found
SHIP 1817 INFO TO MX: WHEN 1L+R SLIDE LIGHT FLASHED ENROUTE. EICAS MASTER CAUTION ILLUMINATED+ALL DOORS SHOWED OPEN FOR 1/2 SECOND. OCCURED 7X'S IN FLIGHT. CORRECTIVE ACTION: B767-400 FRM 52-71-00-815-806, PERFORMED BITE OF PSEU, NO FAULTS . NO FAULTS RECORDED IN PSEU MEMORY RELATED TO CABIN DOORS. OPERATED BOTH FWD CABIN DOORS AND ARM/DISARM LEVERS WITH NO FAULTS. B767-400 AMM 52-11, 52-73. NO 10 DAY HISTORY OF CABIN DOOR WARNING FAULTS. OK TO CONTINUE. (4615964)