As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 351 LONGERON 17L IS CRACKED. REMOVED FORWARD AND AFT SPLICE. TRIMMED LONGERON GAP IS NOW .125 FORWARD AND AFT AND INSTALLED IAW SRM DC9 51-30-05 AND 53-02 FIG 18 SHEET 1 PAGE 50.B 487521 117542 17 FEB 11 P-117. REQUIRED INSPECTION COMPLETED BY Q-967 284419.