What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE FOUND A DENT ON THE UPPER LT HORIZ STAB SKIN. (REF: DMI 075393/2). MAINTENANCE PERFORMED A MAJOR REPAIR TO THE UPPER LT HORIZ STAB SKIN IAW EMB 170 SRM 50-10-01, 55-10-01, 51-23-06, 51-41-02, 51-21-03 AND EMB ETD 2011-170-109960. FABRICATED FILLER MADE OF 2024-T3, .040 REF PO #024093 AND DOUBLER MADE OF 2024-T3, .050 REF PO #019339. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.