As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN LONGITUDINAL FLOOR SUPPORT AT LBL45.5 WAS FOUND CRACKED AT THE OUTBOARD FLANGE FASTENER HOLE OF THE UPPER CHORD WHERE THE ASSY IS ATTACHED TO THE BS 727B FLOORBEAM. REMOVED DAMAGED AREA. ACP NDT FOR CRACKS. FABRICATED & INSTALLED TWO STRAPS, FILLER & SHIM REPAIR ON UNDER SIDE OF SUPPORT UPPER TEE.