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 CORROSION AFT WET AREA ON RH TRACK BEAM UPPER SHEET JUST FWD OF FRAME 86. REMOVED AND REPLACED AFT WET AREA RH TRACK BEAM UPPER SHEET JUST FWD OF FRAME 86 REF SRM 51-40-08. RESTORED SURFACE PROTECTION PER SRM 51-23-06. A/C REMAINS IN CHECK.