As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, MAINTENANCE FOUND LEVEL 2 CORROSION ON THE RT OTBD SEAT RAIL BETWEEN STATION X94.800 AND X236.000. MAINTENANCE R & R THE RT OTBD SEAT RAIL BETWEEN STA X94.800 AND X236.000 IAW SRM 51-42-05, 51-40-15 AND 51-40-07. ACFT IS STILL CURRENTLY OUT OF SERVICE FOR HEAVY CHECK COMPLETION.