As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO L/H TRANSITION PANEL HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 727J+10 TO STA 847 GROUNDED - YES. REPAIRED TRANSITION PANEL STA 727J+10- TO STA 847 IAW B737-900ER SRM 53-00-53-2R-5 PARA 4. W=2.00 O=.040 R=.028 L=4.00 D=.012