What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION AFT WET AREA LH PANEL SUPPORT NEAR FRAME 90. REMOVED DAMAGED AFT WET AREA LH PANEL SUPPORT NEAR FRAME 90. LOCATED, DRILLED AND INSTALLED NEW PANEL SUPPORT. SURFACE PROTECTION APPLIED. REF EMB SRM 51-40-02, 51-40-08 A/C REMAINS IN CHECK