As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PSV, NDT INSPECTIONS DETECTED CRACK INDICATIONS IN A TOTAL OF 10 FASTERNER HOLE LOCATIONS ARE DETAILED IN FIG 4 OF ERA 508354-14. SPLICE PLATES ARE TO BE REPLACED WITH THE 46A5342-26 SPLICE PLATES. THE SB 737-53-1296 DOES NOT ADDRESS THE CRACKING IN THE LONGITUDAL FLOOR SUPPORT UPPER FLANGES.