As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR: CRACK ON RIB 12A INTERNALLY ON RT HORIZONTAL BETWEEN MID SPAR AND FRONT SPAR FWD/AFT OF 6TH RIVET FROM FRONT SPAR LOWER RIVET ROW. REMOVED AND REPLACED RT HORIZONTAL STABRIB 12A PER SRM 51-40-08. APPLIED SURFACE PROTECTION TO FASTENERS PER SRM 51-23-05, 51-23-06. SEE WIPS FOR WORK PERFORMED. SEE W/O H6951 SN 648 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.