As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK FOUND - RT I/B SEAT TRACK FR74/84 WITH CORROSION. REMOVED AND REPLACED SEAT TRACK AT FR 74-84 , REF. SRM 51-40-08. APPLIED SURFACE PROTECTION TO RT INBD SEAT TRACK PER REF SRM 51-23-05. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.