What was found
CORROSION FOUND ON WEB, APPROXIMATELY 6 INCHES AFT OF AFT PAX DOOR CUT OUT. FLOOR LEVEL APPROX LBL 50. R & R THE FLOOR WEB FROM FR 76 - 79, LBL 50 IAW ASRP BD500-A-J51-42-06-00AAA-078A-A, & DWG C01342700, REV T. (LP# 1855384; AIRCRAFT WAS GROUNDED)