What was found
LOUD BANG FROM COMPRESSOR ON TAKEOFF FOLLOWED BY 4 MORE BANGS. REPLACED WITH SERVICEABLE BLEED VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOUD BANG FROM COMPRESSOR ON TAKEOFF FOLLOWED BY 4 MORE BANGS. REPLACED WITH SERVICEABLE BLEED VALVE.