Service difficulty report · Nut · Bell 206L4

Difficulty date
October 29, 2009
Submitted
December 1, 2009
Operation
General aviation
Make and model
Bell 206L4
Aircraft time
5,622 hours
Engine
Allsn 250C30P
Part
Nut
Part number
NAS1022A8
Condition
Cracked
Location
Tail Rotor Head
Stage of operation
IN
How discovered
V
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

(CAN) DURING REMOVAL OF T/R PITCH CHANGE CROSS HEAD NUT, THE NUT WAS FOUND TO BE CRACKED IN 2 OF THE RELIEF SLOTS. THE NUT WAS COMPLETELY SEPARATED AFTER REMOVAL. NUT WAS DISCARDED AND REPLACED WITH NEW.

More about the Bell 206L-4