What was found
DURING ROUTINE MAINTENANCE CHECK, FOUND FUSELAGE STRINGER 16 RT AT WING SCANNING LIGHT CUTOUT TO BE CRACKED AT STA 500C + 4 AND 500C + 16. REPAIRED DAMAGED STRINGER 16 RT, STA 500C + 4 AND 500C + 16 IAW SB 737-53-1145 PER ER 3-53-14-08.