What was found
FLT 3169 - IN CRUISE FLIGHT, THE LEFT ENGINE EXHIBITED FLUCTUATIONS IN FUEL FLOW, NH, AND TORQUE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU. ALL SYSTEMS OPERATED SATISFACTORILY. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLT 3169 - IN CRUISE FLIGHT, THE LEFT ENGINE EXHIBITED FLUCTUATIONS IN FUEL FLOW, NH, AND TORQUE. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE LEFT HMU. ALL SYSTEMS OPERATED SATISFACTORILY. (M)