What was found
PHX - DISCOVERED THE RT OUTBOARD FLAP ASSEMBLY, TRAILING EDGE SEPARATING. DAMAGED COMPOSITE HONEYCOMB 7" BY 9". MAINTENANCE REMOVED TOP SKIN AND CORE. ADDITIONAL CORROSION WAS FOUND UNDER UPPER SKIN. REMOVED CORRODED CORE, FINAL DIMENSION OF REMOVED SECTION WAS FROM OUTBOARD EDGE OF FLAP TO 27.5" INBOARD. FABRICATED REPLACEMENT SKIN, CORE AND SPLICE STRAP IAW AMERICA WEST ENGINEERING REPAIR NR 25-5752-05270-RC1. INSTALLED AND BONDED SKIN, CORE AND SPLICE STRAP TO THE RT OUTBOARD FLAP, TRAILING EDGE, IAW AWA ER NR 25-5752-05270-RC1.