What was found
LEFT ENG FUEL CUTOFF SWITCH RED WARNING LIGHT WILL NOT TEST. SWITCH SHIPPING FROM LHR. REPLACED LEFT ENG FUEL CONTROL MODULE AND PERFORMED THE RELATED TEST. TEST PASSED AND INDICATION NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENG FUEL CUTOFF SWITCH RED WARNING LIGHT WILL NOT TEST. SWITCH SHIPPING FROM LHR. REPLACED LEFT ENG FUEL CONTROL MODULE AND PERFORMED THE RELATED TEST. TEST PASSED AND INDICATION NORMAL.