What was found
PASSENGER CABIN FLOOR PANEL 98-50 HAS CORROSION. REMOVED CORROSION IAW AMM DC9-A-51-21-03-701-929A-A ORIGINAL OUT OF LIMITS IAW AMM SRM 53-01 PG:5-8. REMOVED 2 EA HAT CHANNELS IAW SRM 51-30-02, PG 24. RECEIVED MATERIAL IAW SRM 53-23-0. TREATED AND PRIMED REPLACEMENT FLOOR PANEL IAW SRM 51-10-3, PAR 14, PG 31 AND PAR 21, PG 40. INSTALLED 2 EA HAT CHANNELS ON 51-30-02, PARA 8, PG 26B.