As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL - FLT 15, AT CRUISE, THE THROTTLES MOVED TOWARD IDLE. THE F/S POINTER INDICATED FAST AND FLAP LIMIT WAS DISPLAYED. THESE INDICATIONS LASTED FROM 3-5 SECONDS, AND THEN DID NOT REOCCUR. MAINTENANCE REPLACED THE THRUST MANAGEMENT COMPUTER. (M)