As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION: SEAT TRACK END LH Y= -300 AT CF III FLOOR STRUCTURE. REMOVED CORROSION IAW SRM 51-12-01 AND 51-10-03. DEEMED OUT OF LIMITS IAW SRM 53-23-10 AD51. ACCOMPLISHED REPAIR ON SEAT TRACK END LH Y= -300 AT CF III FLOOR STRUCTURE IAW SRM 53-23-10 REPAIR 54P.(CONSIDERED A MAJOR REPAIR)