Service difficulty report · Spar Aft Fin · Bell 412

Difficulty date
July 31, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7128R
Make and model
Bell 412
Aircraft serial
36007
Part
Spar Aft Fin
Part number
204031826023
Condition
Mis Mfg
Location
Tailrotor
Component
212030100111
Stage of operation
IN
Nature of condition
W
Precautionary procedure
K

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

What was found

MISMANUFACTURED PART. SPAR IS 1/16" NARROW AT LOWER END AND 1/8" NARROW AT TAIL ROTOR 90 DEGREE GEARBOX CASTING.

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