What was found
LOWER FUSELAGE SKIN NEEDS REMOVED FROM BS 434 TO BS 786 DUE TO INTERNAL CORROSION. REMOVED AND RE-INSTALLED CENTER BELLY SKIN STA 434-785.9 S36L - 36R IAW BOEING DWG 143T3220 AND B767 SRM 51-40-02. AIRCRAFT WAS GROUNDED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOWER FUSELAGE SKIN NEEDS REMOVED FROM BS 434 TO BS 786 DUE TO INTERNAL CORROSION. REMOVED AND RE-INSTALLED CENTER BELLY SKIN STA 434-785.9 S36L - 36R IAW BOEING DWG 143T3220 AND B767 SRM 51-40-02. AIRCRAFT WAS GROUNDED.