What was found
(CAN) PILOT REPORTED INCREASE IN COMPRESSOR SPEED AND DROP IN ROTOR RPM ON APPROACH. PILOT MANAGED TO LAND WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND THE AIRFLOW MODULATOR DEFECTIVE DUE TO A BROKEN BLEED AIR TRANSFERT TUBE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) PILOT REPORTED INCREASE IN COMPRESSOR SPEED AND DROP IN ROTOR RPM ON APPROACH. PILOT MANAGED TO LAND WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND THE AIRFLOW MODULATOR DEFECTIVE DUE TO A BROKEN BLEED AIR TRANSFERT TUBE.