As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENG REV L EICAS. NR 1 REV INOPERATIVE. REPLACED RT SLEEVE RVDT(M7 8003) PER AMM. RT RVDT CHECKS GOOD. CONFIRMED LT SLEEVE RVDT (M78002) IS DEFECTIVE. NEW RVDT IS NOT AVAILABLE. REPLACED NR 1 ENG LT SLEEVE POS RVDT, OP TEST TR, NO FAULT.