What was found
"ENG 1 EEC C1" FAULT FOUND ON SMT. MAINT MSG 73-43981 - ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMODATION TEST FAILED. GROUNDED - YES. VERIFIED NO OMF EXISTING FAULTS, REF B737-9 IFIM TASK G73-21-00-810-994.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"ENG 1 EEC C1" FAULT FOUND ON SMT. MAINT MSG 73-43981 - ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMODATION TEST FAILED. GROUNDED - YES. VERIFIED NO OMF EXISTING FAULTS, REF B737-9 IFIM TASK G73-21-00-810-994.