As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE SITTING AT THE GATE RECEIVED A ENG1 NO DISPATCH MASTER CAUTION WITH AN ASSOCIATED ENG1 FADEC FAULT ADVISORY. REMOVED FROM SERVICE. INTERROGATED CMC FOUND FAULT CODES 73216117E WITH FIM TASK 71-00-00-810-801-A AND 73-21-00-810-844-A. WITH POSSIBLE LR L1 FAULT FADEC. REMOVED AND REPLACED #1 ENGINE FADEC REF LMM 73-00-00-800-801. OPS CHECK GOOD. NO EICAS MESSAGE REMAINED. A/C GOOD FOR SERVICE. RETURNED TO SERVICE.