What was found
AFT MOUNTING FLANGE FOR AUXILIARY POWER UNIT INLET DOOR ASSEMBLY HAS CORROSION AROUND ATTACH FASTENER HOLES ON LOWER SURFACE AT STATION 1825. INSTALLED REPAIR PER BOEING DRAWING LOR5L53011 AND EA B757-53-013232.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT MOUNTING FLANGE FOR AUXILIARY POWER UNIT INLET DOOR ASSEMBLY HAS CORROSION AROUND ATTACH FASTENER HOLES ON LOWER SURFACE AT STATION 1825. INSTALLED REPAIR PER BOEING DRAWING LOR5L53011 AND EA B757-53-013232.