As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MONENTARY RED CAS MESSAGE FOR THE ENGINE FIRE LOOP ALERT. IT DID NOT STAY ON. BLEED AIR DISCREPANCIES BETWEEN ENGINES. LEFT ENGINE BLEED PRESSURE 28PSI, RIGHT 24PSI. LEFT MANIFOLD TEMP 321 DEGREES F. RIGHT 379F. LEFT PRECOOLER TEMP 342F. RIGHT 460F. FOUND LOOSE GROUND ON THE RT ENGINE B LOOP FIRE DETECTOR. TIGHTENED BOLT AND OPS CHECKED GOOD IAW MM 26-11-00.