What was found
MAIN CARGO DECK SEAT TRACK BBL 24L FROM BS 790 - 840 SHOWS CORROSION. FOUND SEAT TRACK CORRODED OUT OF LIMITS IAW B727 SRM 53-10-1 FIG 3. REMOVED SEAT TRACK SECTION AT MAIN CARGO DECK STA 759.45L - 852.45L BBL24L IAW B727 SRM 51-30-2. FABRICATED NEW SEAT TRACK MAT USED PO NR 7191218 P/N BAC1520-841-7178-T6 DIM 96" LONG IAW B727 SRM 53-10-5 FIG 2 AND 51-30-5. OK TO TREAT AND PRIME AREA AND PART. TREATED AND PRIMED PART AND AREA IAW B727 SRM 51-10-2. OK TO INSTALL SEAT TRACK. INSTALLED NEW SEAT TRACK IAW B727 SRM 51-30-2 AND 53-10-5 FIG 2.