As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT RH TRANSITION PANEL IS CORRODED AT STA727H+10 TO STA727K. GROUNDED - YES. REMOVED DAMAGE AND EVALUATED AFT PIT TRANSITION PANEL AT STA727H+10 TO STA727K IAW B737-900ER SRM 53-00-53-1A-2.2.D ORIGINAL THICKNESS IS:.040 IAW B737-900ER SRM 53-60-53-01-2 TABLE 2 REMOVED:.008 REMAINING THICKNESS:.032 AND IS FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-00-53-1A-2.4.A.(2) TOOL#T8224D DUE DATE:03/JAN/24 INSTALLED REPAIR PARTS AT STA727H+10 TO STA727K IAW B737-900ER SRM 53-00-53-2R-5.4.L.