As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT PIT BOTTOM SIDE OF RIGHT TRANSITION PANEL CORRODED @ NUTPLATES BS 747- BS 787 GROUNDED - YES. REMOVED CORROSION ON TRANSITION PANEL ( SHIELD) IAW B737-900 SRM 51-10-02 ORIGINAL THICKNESS IS .050. REMAINING THICKNESS IS .026, LOSS OF .024 OUT OF LIMITS IAW B737-900 SRM 53-60-15-1A-1. REMOVED AND REPLACED SHIELD IAW BAC DWG 146A0081 REV A ID:0028. AND B737-900 SRM 51-40-02