As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACFT IN HEAVY CHECK MAINT FOUND INBD BEAM IS CORRODED BETWEEN FR 86-89,REMOVED AND REPLACED RH INBD BEAM BETWEEN FR 86-89 REF. E175 SRM 51-40-08,RESTORED SURFACE PROTECTION REF SRM 51-23-06. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.