What was found
PERFORMING THERMOGRAPHY INSPECTION ON LT WING, OTBD AILERON LOWER SURFACE, NOTICED MOISTURE UNDER THE LIGHTNING FRAME AT THE OTBD END OF THE AILERON. LT OTBD AILERON WAS REPAIRED. THIS REPAIR IS A PERMANENT SOLUTION WITH INSPECTION REQUIREMENTS PER PART 2 OF LATEST REVISION OF EC/RA 5760-01154 AT EVERY C-CHECK, NOT TO EXCEED 24 MONTHS OR 3000 FLT CYCLES FROM THE PREVIOUS INSPECTION. THE REPAIR ACCOMPLISHED IN PART 1 IS AN INTERIM REPAIR REQUIRING REPETITIVE INSPECTION REQUIREMENTS.