Service difficulty report · B-Nut · Agusta AW139

Difficulty date
June 27, 2011
Submitted
September 9, 2011
Operation
Air carrier
Make and model
Agusta AW139
Aircraft time
21 hours
Engine
Pwc PT6C67C
Part
B-Nut
Condition
Leaking
Location
Hydraulic Line
Component
Hydraulic Line
Component part number
A494AE3E00E0
Stage of operation
IN
How discovered
9
Nature of condition
K
Precautionary procedure
K

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

What was found

WHILE CARRYING OUT THE DAILY INSPECTION, A SMALL POOL OF HYD FLUID WAS NOTICED ON UPPER DECK. ON INVESTIGATION, HYD FLUID FOUND AROUND THE B-NUT ON NR 1 HYD PUMP PRESURE LINE. A SERVICABLE LINE FROM ANOTHER ACFT WAS USED. HYD SYS BLEED AND LEAK CHECKED. ACFT RETURNED TO SERVICE.

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