What was found
MAIN CARGO DECK LEFT TRACK 5 HAS 8 EA AREAS OF CORROSION, 8 INCHES AFT OF FR 48, FR 49, 6 INCHES FWD OF FR 50, JUST FWD OF FR 51, JUST AFT OF FR 51, FWD OF FR 52, FR 53, FR 54. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IN AREAS 1-4. REMOVED AND REPLACED SEAT TRACK SECTION IAW A300-600 SRM 53-10-16 BETWEEN FRAMES 48-51, BURNISHED AND TREATED DISCREPANCIES IN OTHER NOTED AREAS.