SDR ALGA085897

Service difficulty report · Impeller · Bell 412

Difficulty date
April 2, 2003
Submitted
April 7, 2003
Operation
General aviation
Make and model
Bell 412
Aircraft serial
36101
Aircraft time
3,396 hours
Part
Impeller
Part number
2660162401
Part serial
NSN
Condition
Cracked
Location
Cooler Blower
Component
Cooler Blower
Component part number
209062502101
Stage of operation
NR
How discovered
E
Nature of condition
O
Precautionary procedure
O

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

What was found

IMPELLER FOUND CRACKED DURING NDI. CRACK WAS 1/4 INCH LONG EMINATING FROM BLADE TIP, IMMEDIATELY ADJACENT TO REINFORCMENT RING, EXTENDING STRAIGHT IN DIRECTION OF BLADE ROOT. REPLACED WITH NEW IMPELLER.

More about the Bell 412