Service difficulty report · Panel · Bell 407

Difficulty date
May 13, 2017
Submitted
May 18, 2017
Operation
Air carrier
Aircraft
N425PH
Make and model
Bell 407
Aircraft serial
53684
Aircraft time
7,468 hours
Part
Panel
Part number
407030401113
Condition
Corroded
Location
Fuselage
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FOUND CORROSION UNDER THE LT TRANSMISSION PYLON BEAM FORWARD SHIM STACK INTO THE TOP SURFACE OF THE BONDED DOUBLER. THE AREA AFFECTED MEASURES APPROXIMATELY 1 3/4 INCHES LONG BY 2 1/4 INCHES WIDE WITH PITS AS DEEP AS 0.040.

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