As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING "C" CHECK, NR 1 ENG LT CORE COWL LOWER LONGERON FOUND CRACKED. NON-ROUTINE NR 0124, CRACK AREA AT NR 1 ENGINE LT CORE COWL LOWER LONGERON AREA REPAIRED IAW EN 1016-10 WORK INSTRUCTIONS AND FAA APPROVED FORM 8110-3 DATED 12 MARCH 2010.