As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO FASTENER HOLES IN THE RIGHT REAR SPAR AT STA 224.14 (AT THE LANDING GEAR BEAM O/B ATTACH FITTING) CRACKED. REAMED ONE HOLE PER BOEING SB 737-1216R2 AND REAMED SECOND HOLE AND INSTALLED A FREEZE PLUG PER BOEING MESSAGE 1-210954789-9 WITH FAA APPROVED 8100-9 DATED 24 AUG 2006.