What was found
DURING HEAVY CHECK WAS REPORTED THAT LT SEAT TRACK BEAM EXTENSION IS CORRODED, FRAME 85-86. MAINTENANCE R & R ALL SOLID RIVETS INTOP OF BEAM IAW SRM 51-41-01, PERFORMED EWIS PROTECTION, IAW SWPM 20-67-00. RESTORED TOP COAT IAW SRM 175 51-23-04,05,06. ACFT REMAINS UNTIL HEAVY CHECK IS COMPLETED.