Service difficulty report · Compressor · Bell 206B

Difficulty date
September 15, 2000
Submitted
October 19, 2000
Operation
General aviation
Make and model
Bell 206B
Aircraft time
10,268 hours
Engine
Allsn 250C20
Part
Compressor
Part number
6890550
Condition
Cracked
Location
Aft Diffuser
Part time
4,517 hours
Stage of operation
IN
How discovered
V
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

(CAN) DURING 100-HOUR INSPECTION OF THE HELICOPTER, A BLACK LINE WAS OBSERVED ON ONE OF THE COMPRESSOR ASSEMBLY MOUNTING PAD ARMS WHICH FORMS THE REAR DIFFUSER OF THE COMPRESSOR. CLOSER VISUAL INSPECTION WITH MAGNIFYING GLASS CONFIRMED CRACK. THE CRACKED MOUNTING ARM IS AT THE 4:00 POSITION WHEN LOOKING AT THE AFT SIDE OF THE COMPRESSOR. COMPRESSOR ASSEMBLY FOR REPAIR. (X)

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