What was found
CABIN FLOORBOARD CORRODED BEYOND LIMIT AROUND SCREW HOLES, HAT CHANNELS AND CHAFED IN CONTACT AREA AT STA 160 - 200, LBL 0 - 44. REMOVED CORROSION IAW DC9 SRM 51-10-3, 53-01. FABRICATED FLOORBOARD FROM 7075T6, .025 IAW DC9 SRM 53-21-0. FABRICATED 4 EACH HAT CHANNEL FROM 2912282 IAW SRM 53-21-0, PG 6M AND 6N. TREATED AND PRIMED BOTH REPAIRS IAW DC9 SRM 51-10-3, INSTALLED HAT CHANNELS IAW DC9 51-30-2 AT FLOORBOARD.