As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C18 CHECK DISCOVERED INTERCOSTAL CRACKED, .375 INCHES IN LENGTH, AT STR 12L AND BS 294.5. MAINTENANCE REMOVED CRACKED INTERCOSTAL AT BS 294.5 IAW AMERICA WEST AIRLINES ENGINEERING REQUEST NR 03-5310-5285-ES4. FABRICATED NEW INTERCOSTAL AND INSTALLED AT STRINGER 12L AND BS 294.5 IAW AWA ER NR 03-5310-5285-ES4.