As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING INBD L/E SKIN HOLES NR 10 AND 11 HAVE CRACK INDICATIONS. FABRICATED DOUBLER AND FILLER IAW UAL ECRA 5720-03641 AND SRM 57-41-01-2R-8 REPAIR 8. INSTALLED DOUBLER AND FILLER PER B737-900ER SRM 57-41-01-2R-8 REPAIR 8 AND ECRA 5720-03641.