What was found
VENT EXTRACT FAULT FOLLOWED BY ACRID FUMES THROUGHOUT AIRCRAFT, ESPECIALLY BAD IN COCKPIT. AIRCRAFT WAS GROUNDED. REPLACED AVIONICS EXTRACT FAN (18HQ) IAW AMM 21-26-51.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
VENT EXTRACT FAULT FOLLOWED BY ACRID FUMES THROUGHOUT AIRCRAFT, ESPECIALLY BAD IN COCKPIT. AIRCRAFT WAS GROUNDED. REPLACED AVIONICS EXTRACT FAN (18HQ) IAW AMM 21-26-51.