What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION AFT WET AREA L/H AFT PANEL SUPPORT BETWEEN FR88 AND FR90 IN 6 LOCATIONS AS MARKED. REMOVED AND REPLACED AFT WET AREA L/H AFT PANEL SUPPORT BETWEEN FR88 AND FR90 PER SRM 51-40-08. RESTORED SURFACE PROTECTION PER SRM 51-23-04, 51-23-05, 51-23-06 A/C REMAINS IN CHECK.