As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT L/H TRANSITION PANEL HAS CORROSION AT STA 727F+11 TO STA 727I+8. GROUNDED - YES. REMOVED DAMAGE FROM AFT PIT L/H TRANSITION PANEL @ STA 727F+11 TO 727I+8 IAW B737-900 ER SRM 53-00-53-1A-2.2.D ORIGINAL THICKNESS: .040 IAW B737-900 ER SRM 53-60-53-0I-2. REMOVED: .008,REMANING: .032 & IS FOUND TO BE OUT OF LIMITS IAW B737-900 ER SRM 53-00-53-1A-2.4.A.2. FABRICATED,ALODINED,PRIMED,& INSTALLED REPAIR PARTS IAW B737-900ER SRM 53-00-53-2R-5.4.