As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKED AT THE UPPER SUPPORT CORNERS. THIS FIREWALL WAS INSTALLED FOR 93 HOURS REPLACED THE FIRE WALL. ON INSTALLATION WE HAD TO SHIM THE LEGS TO GET A STRESS FREE INSTALLATION, USED MGB UPPER COWLS TO POSITION FIREWALL PRIOR TO FINAL TIGHTENING AJUSTED ENGINE COWL LATCHES TO NOT PULL VERY TIGHT ON THE RUBBER STOPS AS TO NOT LOAD THE FIREWALL.