Service difficulty report · Blades · Doug MD500E

Difficulty date
February 6, 2010
Submitted
February 19, 2010
Operation
General aviation
Aircraft
N742LA
Make and model
Doug MD500E
Aircraft serial
00200E
Engine
Allsn 250C20B
Part
Blades
Condition
Damaged
Location
Compressor
Component
Compressor
Component part number
CAC43327
Stage of operation
NR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

PILOT EXPERIENCED COMPRESSOR STALL DURING FLIGHT WITH LOUD NOISE AND YAW OF ACFT. PILOT EXPERIENCED LOSS OF ENGINE POWER AND PROCEEDED TO LAND ACFT. UPON INSP MX FOUND 1 EA 1ST STAGE COMPRESSOR BLADE BROKEN OFF AT ROOT AND LAYING IN PLENUM CHAMBER IN FRONT OF THE COMPRESSOR INLET AND SEVERE DAMAGE TO REMAINING BLADES AND STATORS.