What was found
MAIN CABIN COURIER AREA UNDER FLOOR, CORROSION ON LONGITUDINAL MEMBER AT FLOOR SUPPORT ANGLE 7" FWD OF FLOORBEAM AT FR13, 40" TO LT FROM ACFT CENTERLINE. AMM 53-12-00-06, 57" FROM ACFT CENTERLINE ABOUT 2 SQARE INCHES. REMOVED AND INSTALLED NEW T-CAP TO LONGERON AND SPLICE ANGLES FR12 TO FR15 AT Y1456 IAW SRM 53-12-15, FIG 207 AND 51-72-10 PGS 1-3.