Service difficulty report · Washer · Bell 407

Difficulty date
July 23, 2024
Submitted
July 23, 2024
Operation
Air carrier
Aircraft
N390SF
Make and model
Bell 407
Aircraft serial
53407
Aircraft time
9,230 hours, 31,585 cycles
Engine
Allsn 250C47B
Engine time
9,114 hours, 24,200 cycles
Part
Washer
Part number
14000725S22E6
Condition
Cracked
Location
Zone 200
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

WHILE CHANGING TRANSMISSION ASSEMBLY TECHNICIAN FOUND PYLON RETAINING BOLT WASHER PN:140-007-25S22E6 CRACKED ACROSS ONE SIDE ALL THE WAY THROUGH.

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