Service difficulty report · Blade · Bell 206L4

Difficulty date
July 6, 2005
Submitted
August 3, 2005
Operation
General aviation
Make and model
Bell 206L4
Aircraft time
2,701 hours
Engine
Allsn 250C30P
Part
Blade
Part number
206016201131
Condition
Delaminated
Location
Tail Rotor
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

AFTER DISCUSSION WITH A FSR FROM BHTC, LEARNED THAT THE TAIL ROTOR ON THIS AIRCRAFT HAD BEEN DAMAGED IN 2004. THE TECHNICAL LOG OF THE AIRCRAFT DID NOT DEMONSTRATE THAT THE PROPER INSPECTION WAS CARRIED OUT AS PER MM CHAP 5-28. BHTC CONFIRMED THAT THE PREVIOUS BLADE DAMAGE WAS CAUSED BY SUDDEN STOPPAGE AND THEY HAD ALSO RECOMMENDED THAT THE TAIL ROTOR BLADE, HUB AND BONDED SHAFT BE DESTROYED. ONLY ONE BLADE WAS REPLACED IN 2004. GROUNDED THE AIRCRAFT AND FINALIZED THE INSPECTION AS PER BELL MM CHAP 5-28 AND REPLACED THE BLADE, HUB AND BONDED SHAFT. THE FREE WHEEL ASSEMBLY WAS OVERHAULED IN JANUARY 2005. AIRCRAFT WILL BE RETURNED TO SERVICE AS SOON AS THE PARTS ARE RECEIVED.

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