As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - CREW REPORTED THE LEFT ENGINE BLEED TRIP OFF LIGHT ILLUMINATED AFTER TAKEOFF. LIGHT WOULD NOT RESET. EMERGENCY DECLARED LANDED LAX WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT ENGINE THRUST REVERSER ACTUATOR. SYSTEM GROUND CHECK NORMAL OPERATION.