What was found
*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A CRACK FOUND ON ANGLE CLIP AT FR12, BL-0, (BELOW COCKPIT FLOOR STRUCTURE AREA). MAINTENANCE REMOVED AND REPLACED THE ANGLE CLIP AT FR12, BL-0 IAW SRM 51-41-02. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.