What was found
DURING ROUTINE MAINTENANCE, CORROSION WAS DISCOVERED ON R1 DOOR LOWER CUT OUT CORNER INTERNAL STRUCTURE FRAME 19+6 STR 23RH 4 EA AROUND THE FASTERNERS HOLES (FWD GIRT BAR AFT I/B HOLE, AFT O/B HOLE, FWD I/B HOLE, FWD O/B HOLE ) ; REMOVED CORROSION BY SPOT FACING AT R1 FWD GIRT BAR LATCH HOLES, INSTALLED BUSHINGS AND REPAIR WASHERS IAW A320- SRM 53-11-14.