As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN INSPECTION IN MSP, MAINTENANCE FOUND THE LEFT FLOOR BOARD SUPPORT 'Z' CHANNEL CRACKED APPROXIMATELY .375 INCH FROM FASTENER HOLE TO CHANNEL EDGE AT FS 293 (P/N 27-20025). REPAIRS COMPLETED BY INSTALLATION OF A REPAIR DOUBLER PER FAC SRM 56-90-20 PAGES 67-69 REV JAN 18/93. (M)