What was found
COE - C4 - INTERNAL FUSELAGE UNDERFLOOR AT STATION X763.602 ABOVE STRINGER 31 LT SEAT TRACK HAS CORROSION AROUND SCREW HOLE. REMOVED CORROSION IAW RD 8/4-53-884, REMAINING THICKNESS OUT OF LIMITS PER RD8/4-53-884. REMOVED SEAT TRACK NR 9 IAW SRM 51-42-05-02-01. PREPARED FOR INSTALL AND INSTALLED NEW NR 9 SEAT TRACK IAW SRM 51-40-07-02-01, 51-21-10-02-01, 51-25-10-02-01, 51-40-10-02-01, 51-42-05-02-01 AND 51-41-05-02-01.