What was found
DURING HEAVY MAINTENANCE VISIT, FOUND CORROSION ON THE BOTTOM WEB AND RETAINER ANGLE FOR THE LEFT FORWARD EMERGENCY EXIT HATCH. CORROSION REMOVAL ON WEB WAS WITHIN LIMITS, BUT REMOVED AND REPLACED RETAINER ANGLE IAW B727 SRM 51-10-2, 51-10-6, AND 51-30-2.