As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT EEC INOP. PERFORMED ADJUSTMENT OF TLA TRANSDUCER PROCEDURE IAW AMM 73-21-09-725-046-1400. ADJUSTMENT WITHIN LIMITS AFTER ADJUSTING THE TLA TRANSDUCER. TROUBLESHOOTING CONTINUING. DEFERRED LEFT EEC PER MEL 73-21-01-01 CAT A 12/15/21 @0129Z. CLEARED MEL 73-21-01-01A , REMOVED AND REPLACED LEFT TLA TRANSDUCER PER AMM 73-21-09. AC REMAINS ETOPS 180. NO PART INFORMATION AVAILABLE.