As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VENT AVIONICS SYS FAULT DISPLAYED. WARM ELECTRICAL ODOR IS PRESENT. R & R AEVC IAW AMM 21-26. STILL REQ OPS CHK. OPS TEST OF AEVC FAULTED 21-26-51 EXTRACT FAN 18HQ AND 21-26-55 ISOLATION VALVE 24HQ. R & R EXTRACT FAN 18HQ IAW AMM 21-26. AEVC TESTED GOOD, & EXTRACT FAN TESTED GOOD. OK FOR SVC. (LP: 8214046)