As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON AFT PASSENGER CABIN FLOOR STRUCTURE CREASE ANGLE FROM BS 947 TO BS 986.5 + 9 INCHES, RBL 48. REPLACED CREASE ANGLE PER AARD 51-00-05-01-R1 AND SRM 51-40-02.. **SUPPLEMENTAL REPORT FOR AALA202402057044 : ENGINEERING REVIEWED THIS EVENT AND DETERMINED THE CORRECT LEVEL WAS LEVEL 1 NOT LEVEL 2. SECTION 7 CORROSION LEVEL FIELD WAS CORRECTED ACCORDINGLY**