Service difficulty report · Impeller

Difficulty date
April 25, 2005
Submitted
June 1, 2005
Operation
General aviation
Part
Impeller
Part number
38007021
Part serial
P5919
Condition
Broken
Location
Apu
Part time
6,880 hours
Stage of operation
NR
How discovered
O
Nature of condition
E
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

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)