As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE DISCOVERED CRACKS ON THE LEFT HAND AND RIGHT HAND KEELBEAM LOWER CHORD AT STA 727 +14.40. THE NUMBER OF CRACKS AND LENGTH WAS NOT IDENTIFIED. THE EXISTING KEELBEAM LOWER CHORDS WERE CUT OUT AND NEW REPAIR SECTIONS WERE SPLICED IN IAW ECRA 5311-01184.