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 SPLICE CHANNEL CRACKED, .5 INCHES, AT BS 359 AND STR 15L. MAINTENANCE REMOVED CHANNEL IAW BOEING 737-300 SRM 51-40-02-0G FIG 8. RECEIVED REPLACEMENT CHANNEL AND PREPPED FOR INSTALLATION IAW AMERICA WEST AIRLINES ENGINEERING REPAIR NO. 03-5311-05271-ES1. INSTALLED REPAIR PARTS AT BS 359 AND STR 15L IAW AWA ER 03-5311-05271-ES1.