What was found
DURING APU OPERATION, A PIECE OF THE 3822400-5 IMPELLER SEPARATED AT THE RIM. THIS RESULTED IN HIGH VIBRATION LEVELS AND CATASTROPHIC DAMAGE TO THE LOAD COMPRESSOR AND POWER SECTIONS. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING APU OPERATION, A PIECE OF THE 3822400-5 IMPELLER SEPARATED AT THE RIM. THIS RESULTED IN HIGH VIBRATION LEVELS AND CATASTROPHIC DAMAGE TO THE LOAD COMPRESSOR AND POWER SECTIONS. (K)