As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPAIRING MASSIVE EXHAUST LEAK ON LEFT ENGINE THE CYLINDER PRIMER LINE WAS FOUND BROKEN IN HALF AND ANOTHER FUEL PRIMER LINE FOUND CHAFED. RAW FUEL AND MASSIVE EXHAUST LEAK COULD CAUSE ENGINE FIRE. NEW LINES INSTALLED. AC HAD RECENT ANNUAL.