What was found
CABIN SEAT TRACK CORRODED AT RBL 45.0, FROM BS 480-680, 690-720, AND 720-740. CORROSION EXCEEDS LIMITS IN SEVERAL AREAS. REMOVED SEAT TRACK SECTION FROM BS 480 TO 740, FABRICATED NEW SEAT TRACK SECTION FROM BAC1520-792 EXTRUSION, 400 LONG, PO NR 9004831, 3 TRACK SPLICES FROM 7075-T6, .250 BY 8.1 BY 1.9, PO NR 9003467, AND 6 EA ANGLE REPAIRS FROM BAC1503-100122 EXTRUSION, 14 LONG, PO NR 9005537, PER B727 SRM 53-10-2 FIG 7 AND 53-10-5 FIG 1. TREATED, PRIMED, AND INSTALLED NEW SEAT TRACK SECTION, SPLICES, AND ANGLE REPAIRS PER B727 SRM 51-10-2, 51-30-2, AND 51-30-5 FIG 1.