As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE A SPOT OF CORROSION WAS VISUALLY IDENTIFIED ON THE FORWARD FACE OF THE FWD LH UPPER FUSELAGE ATTACH FITTING PN: 0811350-9. THIS CORROSION MEASURES APPROXIMATELY .700 WIDE, AND .400 TALL, WITH AN APPROXIMATE DEPTH OF .025 AND IS CONSISTENT WITH OTHER CORROSION VISUALLY IDENTIFIED IN THE PAST. THIS FITTING HAS BEEN CHANGED USING NEW PARTS.