What was found
RIGHT WING HAS CRACK ON TRAILING EDGE UNDERSIDE ABOVE OUTBOARD FLAP ASSEMBLY AT WS5000 AS MARKED. REPAIRED CRACKED SECTION OF RH FLAP COVE SKIN. SEE 337 DATED 3/20/2026. REMOVED 75MM X 25MM SECTION FROM INBOARD CRACKED AREA AND 90MM X 25MM SECTION FROM OUTBOARD CRACKED AREA. REMOVED RIVETS AS REQUIRED FROM UPPER FLAP COVE SKIN FOR ACCESS TO REPAIR AREA. FABRICATED FOR OUTER SECTION FROM 2024T3 ALUMINUM 90MM X 25MM X 0.025" FILLER PLATE AND 50MM X 160MM X 0.025" REPAIR PLATE. FABRICATED FOR INBOARD SECTION FROM 2024T3 ALUMINUM 75MM X 25MM X 0.025" FILLER PLATE AND 140MM X 50MM X 0.025 REPAIR PLATE. PLATES AND FILLERS FIT AND DRILLED TO REPAIR AREAS, ALL HOLES DIMPLED TO CLEARANCE REPAIR FROM FLAPS. ALL REPAIR PIECES ACID ETCHED, ALODINED, AND PRIMED WITH EPOXY PRIMER. INSTALLED REPAIR PLATES W/ MS20426AD RIVETS. REINSTALLED TOP COVE SKIN RIVETS PREVIOUSLY REMOVED WITH MS20426AD, AND CR3212 RIVETS AS REQUIRED FROM PREVIOUS INSTALLATION. MATERIALS USED; RIVET SIZE, SPACING, AND REPAIR CRITERIA WERE OBTAINED FROM C212-200 SRM SECTION II FIG. 2.5 POS. 61 , APPENDIX II FIG. B9, AC43.13-1B 4.57F3 (P:4-19) AND PREVIOUS INSTALLATION. CONTINUED AIRWORTHINESS WILL BE MAINTAINED IN ACCORDANCE WITH CURRENT INSPECTION PROGRAM OR AIRCRAFT MANUFACTURERS INSPECTION PROGRAM. WEIGHT AND BALANCE CHANGE WAS CONSIDERED NEGLIGIBLE.