As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING M CHECK, FOUND WEAR DAMAGE ON THE FORWARD FLANGE OF THE LOWER TEE CAP. THE DAMAGE WAS CAUSED BY A STEEL DOUBLER INSTALLED AT THE EDGE OF THE APU DOOR WHERE IT CONTACTED THE FRAME LOWER TEE CAP FORWARD FLANGE, FS 1038. THE DAMAGE WAS BLENDED OUT. REPAIRED PER EA 99-169206.