What was found
DURING AN IMBV INSPECTION, THE TOILET DISCHARGE CUP WAS FOUND TO BE CORRODED. REMOVED THE CORRODED DISCHARGE CUP. POSITIONED NEW DISCHARGE CUP, DRILLED HOLES, CLEANED, ALODINED AND PRIMED. REPAIR DONE IAW EMB SRM (SRM EMB145/1142 REV 40) CHAPTERS 51-20-01, 51-20-03 AND 51-40-02. AIRCRAFT RETURNED TO SERVICE.