What was found
(CAN) TIME THIS INSTALLATION 1001.1 HOURS. UNABLE TO ADJUST FOR SLOW COLD STARTS. ALSO CAUSING A BURBLING SOUND NEAR TOP END OF START - SUSPECT COMPRESSOR STALL DUE TO FCU. FCU REPLACED, HELICOPTER RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) TIME THIS INSTALLATION 1001.1 HOURS. UNABLE TO ADJUST FOR SLOW COLD STARTS. ALSO CAUSING A BURBLING SOUND NEAR TOP END OF START - SUSPECT COMPRESSOR STALL DUE TO FCU. FCU REPLACED, HELICOPTER RETURNED TO SERVICE.