Service difficulty report · Hydraulic Line · Bell 407

Difficulty date
April 4, 2018
Submitted
April 5, 2018
Operation
Air carrier
Aircraft
N440PH
Make and model
Bell 407
Aircraft serial
53327
Aircraft time
20,987 hours
Part
Hydraulic Line
Part number
70061F000X176A
Part serial
NA
Condition
Ruptured
Location
Tail Rotor
Stage of operation
NR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

EXPERIENCED A LOUD SQUEAL FOLLOWED BY A HYDRAULIC CAUTION LIGHT FOLLOWED BY FEEDBACK IN FLIGHT CONTROLS. TAIL ROTOR SERVO PRESSURE LINE RUPTURE. REPLACED HYDRAULIC PUMP DUE TO RUN DRY.

More about the Bell 407