What was found
31J - THE FOLLOWING WAS FOUND, CABIN SEAT TRACK RIGHT OUTBOARD HAS HOLES DRILLED IN TOP THROUGH OUT. REMOVED SEAT TRACK FROM STATION 420-480 520. FABRICATED NEW SEAT TRACK FROM BAC 1520-792 AND INSTALLED IAW SRM 53-10-5. REMOVED AND FABRICATED NEW SEAT TRACK AT STATION 727-727B. DRILLED UP AND INSTALLED NEW PART IAW SRM 53-10-5. FABRICATED AND INSTALLED SEAT TRACK STATION 727B-907 IAW SRM 53-10-6, N/R NR 7117470785.