As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3105 - LAX - AFTER TAKEOFF, LEFT ENGINE WAS 80 DEGREES HOTTER THAN RIGHT. RETURN TO LAX. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE IAW SAAB 340 WORK CARD 4903. OPERATIONAL AND LEAK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)