As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO R/H TRACK IS CRACKED AT STA 727H, 727I, 727J AND 727K. GROUNDED - YES. REMOVED AND REPLACED CARGO TRACK IAW B737-900ER SRM 51-40-02-0G-0, REPAIRED CARGO TRACK SECTION FROM STA 727G+12 TO 727 I +6 IAW B737-900ER SRM 53-00-53-2R-3.