Service difficulty report · Stringer · Bell 407

Difficulty date
November 11, 2002
Submitted
March 13, 2003
Operation
Air carrier
Aircraft
N437AL
Make and model
Bell 407
Aircraft serial
53141
Engine
Allsn 250C47B
Part
Stringer
Part number
20606480403334
Condition
Cracked
Location
Nacelle Door
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

IN FOR C/W ASB 4070254, WEIGHT OF CARBON FIBER DOORS. CRACK IS OCCURING ON FORWARD LEFT STRINGER AT CLIP ANGLE AND STRINGER RIVETED LOCATION, WEIGHT OF DOORS AND VIBRATION. HEAVIER GAUGE STRINGER MATERIAL TO ACCOMODATE WEIGHT OF DOORS.

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