What was found
FOUND NR 1 ENG SHORT TIME FAULT 73-20021 INTERNAL EEC FAULT. GROUNDED-YES. VERIFIED FAULT MSG STILL PRESENT ON RECENT. REMOVED & REPLACED NR 1 ENGINE EEC, REF B737-900 AMM 73-21-60. ALL INSTALLATION TEST PASSED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND NR 1 ENG SHORT TIME FAULT 73-20021 INTERNAL EEC FAULT. GROUNDED-YES. VERIFIED FAULT MSG STILL PRESENT ON RECENT. REMOVED & REPLACED NR 1 ENGINE EEC, REF B737-900 AMM 73-21-60. ALL INSTALLATION TEST PASSED.