What was found
COMPLY WITH: 670BA-53-040 - FUSELAGE - CENTER FUSELAGE, PRIMARY STRUCTURE FS280.00 TO FS295.00 - INSPECTION AND REINFORCEMENT OF LINTEL STRINGER 3 OF THE MAIN PASSENGER DOOR REV C PART(S) B COMPLIED WITH: 670BA-53-040 REV-C, DATED 09-20-2012 - FUSELAGE - CENTER FUSELAGE, PRIMARY STRUCTURE FS280.00 TO FS295.00 - INSPECTION AND REINFORCEMENT OF LINTEL STRINGER 3 OF THE MAIN PASSENGER DOOR, PART B, INCORPORATED." COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAK NOTED. COMPLIED WITH ALL STEPS OF REO 670-53-21-493 REV-D, DATED 2015-07-10.