As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR STRUCTURE - APPROX 10 INCHES FWD OF STATION 294.5, INTERCOSTAL AT BL 0 HAS SMALL GOUGES ON LOWER SIDE OF FLOOR ATTACHMENT HOLE. GROUNDED - YES. REMOVED & REPLACED INTERCOSTAL REFERENCE: BAC DWG 141A54001, REV: -, SHEET 20 & SRM 51-40-02. ME-04# ASA-519-1023 RECEIVED FROM ASA STATING P/N 141A5410U139 IS EFFECTIVE TO N519AS.