What was found
AFT MAIN CABIN AREA, FRAME CORRODED AT BS 1640, LBL 55, JUST FWD OF L-4 DOOR. INSTALLED REPAIRS PART IAW ERA 536296-14AD, REV 1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT MAIN CABIN AREA, FRAME CORRODED AT BS 1640, LBL 55, JUST FWD OF L-4 DOOR. INSTALLED REPAIRS PART IAW ERA 536296-14AD, REV 1.