What was found
DURING UNSCHEDULED MAINTENANCE VISIT, BOTH PRESSURE PANELS AT FUSELAGE STATION 680, LEFT AND RIGHT, WERE FOUND CRACKED. BOTH PRESSURE PANELS WERE REPLACED WITH NEW PANELS IN ACCORDANCE WITH THE DOUGLAS SRM, 51-1-12, 51-1-8, 51-1-16, 51-3-0, 51-1-21 AND 51-1-20D.