What was found
FLT NR 0225 - CLE - THE APU FIRE WARNING LIGHT ILLUMINATED AFTER TAKEOFF FROM CLE. THE APU WAS SHUT DOWN AND THE LIGHT EXTINGUISHED. THE AIRCRAFT WAS RETURNED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND NO EVIDENCE OF FIRE. THE APU WAS INSPECTED AND NO DEFECTS WERE FOUND. THE APU WAS RUN WITH PACKS OPERATING AND OPERATION CHECKED GOOD WITH NO DISCREPANCIES. (Z)