Service difficulty report · Crosstube · Bell 407

Difficulty date
February 4, 2002
Submitted
April 11, 2002
Operation
Air carrier
Aircraft
N477AL
Make and model
Bell 407
Aircraft serial
53203
Engine
Allsn 250C47B
Part
Crosstube
Part number
407050201115
Part serial
A186
Condition
Corroded
Location
Mlg
Part time
5,567 hours
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

DAILY SERVICE CHECK, FOUND PITTING CORROSION ON CROSSTUBE AT STRAP ATTACH POINT. PROBABLE CAUSE IS WATER ENTRAPMENT. SCRAP CROSSTUBE.

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