As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C18 CHECK DISCOVERED STRINGER 16L CLIP CRACKED, .35 INCHES, BETWEEN BS 348.2 AND BS 351.2. MAINTENANCE REMOVED STR 16L CLIP AND REPLACED WITH NEW FABRICATED PART BETWEEN BS 348.2 AND BS 351.2 IAW AMERICA WEST AIRLINES ENGINEERING REPAIR NO. 03-5310-05285-ES5.