What was found
PAX DOOR LINTEL HAS POSSIBLE CRACK AT THE FS.280.00 BULKHEAD. REPAIRED THE PAX DOOR LINTEL, APPROX BS 280 BULKHEAD IAW REO 670-53-21-493, REV D. AND SB 670BA-53-040, PART B, REV C. COMPLIED WITH ALL STEPS OF REO 670-53-21-493, REV D. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.SERVICE BULLETIN 670BA-53-040, REVISION C. CENTER FUSELAGE, PRIMARY STRUCTURE BS 280 TO 295, INSPECTION AND REINFORCEMENT OF LINTEL STRINGER 3 OF THE MAIN PASSENGER DOOR, PART B, INCORPORATED.