As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN - WHILE ACCOMPLISHING FLOOR BEAM REPAIR PER SPECIAL/NONROUTINE MAINTENANCE FORM N01209 FOUND CHANNEL (SUPPORT) AT LEFT HAND STATION 1256 X=116 CRACKED. CRACKED CHANNEL ( SUPPORT) AT LEFT HAND STATION 1256 X=116 REMOVED AND REPLACED IN ACCORDANCE WITH SRM 51-33-01-0G . CHANNEL (SUPPORT) FABRICATED BY MACHINING IN ACCORDANCE WITH DOUGLAS DRAWING AEA 7601 REV : NEW . REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.