As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINT, CABIN WINDOW FRAMES WERE CUT APPROX 0.003 TO 0.005 DEEP ON LEFT SIDE FROM STA 256 TO 1271. BLENDED OUT DAMAGE PER ARA 16570A TO 63 MICRO FINISH. ALODINED AND PAINTED. REPLACED WINDOW BELT PANEL 9958156-1 AT STA 408 TO 313.