What was found
A REPAIR LOCATED ON THE AFT END MOVES FORWARD APPROX 18" AND APPROX 25" FROM THE UPPER EDGE MOVING DOWNWARD ON THE 315A2502-102 INNER WALL BONDED PANEL, HAS AN AREA OF BLOCKAGE (PERF SKIN TO CORE) THAT MEASURES APPROX 15" X 15" C/T THE 315A2501-16 ACOUSTIC PANEL INSTALLATION. ULTRASONIC INSP IAW NDT MANUAL REVEALS AN AREA OF DISBOND 1.8" X 12.7" LOCATED WITHIN THE REPAIR AREA. REPAIR APPEARES TO HAVE BEEN ACCOMPLISHED FROM THE OML SIDE, BUT PERF HOLES DIDN'T GET RETICULATED CAUSING A BLOCKAGE OF THE PERF THAT MEASURES 17" X 24". AFTER REMOVING DEBONDED PERF SKIN, THE CORE PLUG FOR THE REPAIR WAS FOUND TO HAVE A 1.0" GAP. ALSO AN UNKNOWN RED SUBSTANCE IS CURED INTO THE REPAIR.