As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EQUIPMENT COMPARTMENT CORROSION ON UNDERSIDE OF SUBFLOOR AT STATION 200 APPROXIMATELY 6 TO 8 INCHES INBOARD (MARKED). FABRICATED AND INSTALLED SUBFLOOR DOUBLER FROM STATIONS 160 TO 200 RIGHT AND DOUBLER/OVERLAY FROM STATIONS 160 TO 180 PER AARD 53-20-00-16.