Service difficulty report · Seal · Bell 407

Difficulty date
April 27, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N184AM
Make and model
Bell 407
Aircraft serial
54044
Aircraft time
6,264 hours, 21,604 cycles
Engine
Allsn 250C47B
Engine time
4,463 hours, 14,844 cycles
Part
Seal
Part number
M250109132300451
Condition
Leaking
Location
Bleed Valve
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

CREW REPORTED A HAZE IN THE PASSENGER COMPARTMENT WHEN DEFROSTER SYSTEM WAS IN USE, DURING PREFLIGHT OIL WAS FOUND STREAKING OUT OF BLEED VALVE OUTLET/ EXHAUST ON TOP OF THE ENGINE COWLING.

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