Service difficulty report · Housing · Bell 212

Difficulty date
September 29, 1998
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Bell 212
Engine
Pwa PT6T3B
Part
Housing
Part number
204011421001
Condition
Mismanufactured
Location
M/R Head
Part time
511 hours
Component
212010407109
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

(CAN) METAL SEAL CASE IS DIMENSIONALLY TOO LARGE. CASING PROTRUDES OUTSIDE OF HOUSING BY 0.050 INCH THEREBY CAUSING CONTACT WITH SCISSORS SIDE FACE RESULTING IN CIRCUMFERENTIAL SCORING OF SCISSORS DURING OPERATION. BOTH SCISSORS ASSEMBLIES RETURNED TO MANUFACTURER.

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