As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MZJ - DURING C-CHECK, THE APU TAIL TO EMPENNAGE WELD WAS FOUND CRACKED. PART WAS NDT'D AND STOP DRILLED PER DOUGLAS SRM 08-00-07. WELD WAS REPAIRED BY REPAIR STATION NR J3WR275J. ALL WORK ACCOMPLISHED WITH INSTRUCTIONS FROM ECRA942-49-006-2 AND BOEING ENGINEERING. (M)