What was found
DURING INCORPORATION OF SB 670BA-53-057 FUSELAGE - CENTER FUSELAGE - MODIFICATION OF THE DRAIN VALVES IN THE CENTER FUSELAGE BETWEEN FS280.00 AND FS333.00. FORWARD LH AND RH DRAIN DOUBLERS BETWEEN FS280 - FS295 FOUND TO BE INSTALLED AT INCORRECT LOCATIONS (C-CHECK) RO 3/2/2021 PERFORMED CUTOUT AND DOUBLER REO REPAIR 670-53-21-1956 REV --, DATED 2021-02-24 TO FUSELAGE SKIN BETWEEN FS280.00 - FS295.00 STR 26L - STR 26R (DEVIATION TO SB 670-53-057) ALL STEPS OF REO 670-53-21-1956 REV --, DATED 2021-02-24 HAVE BEEN COMPLETED. PRESSURE LEAK CHECK CHECKED GOOD, NO LEAKS NOTED. COMPLETED 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS.