What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION AFT WET AREA R/H AFT PANEL SUPPORT BETWEEN FR88 AND FR91 IN 4 LOCATIONS AS MARKED. REMOVED AND REPLACED AFT WET AREA R/ H AFT PANEL SUPPORT BETWEEN FR88 AND FR91 PER SRM 51-40-08. TREATED, PRIMED AND TOP COATED AREA PER SRM 51-23-04, 51-23-05, 51-23-06. A/C REMAINS IN CHECK.