Service difficulty report · B-Nut · Lkheed P2V7

Difficulty date
August 27, 2016
Submitted
August 30, 2016
Operation
General aviation
Filed by
NI6R011N
Neptune Aviation Services Inc
Aircraft
N445NA
Make and model
Lkheed P2V7
Aircraft serial
140443
Aircraft time
12,621 hours, 6,051 cycles
Engine
Wright R3350*
Part
B-Nut
Part number
44646061
Condition
Cracked
Location
Hyd Line
Part time
12,621 hours, 6,051 cycles
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
H, E, A

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

What was found

NR 2 RADIAL ENGINE HYDRAULIC PUMP PRESSURE LINE INTERNAL TO THE FUSELAGE BEGAN LEAKING IN FLIGHT. UPON IDENTIFICATION OF THE LEAK, THE NR 2 ENGINE WAS SHUTDOWN AND AN IFE WAS DECLARED. LANDING WAS UNEVENTFUL. UPON INVESTIGATION OF THE LEAK, IT WAS DISCOVERED THAT THE LINE B-NUT FERRULE HAD CRACKED. THE LINE ASSEMBLY WAS R&R'D AND LEAK TESTED GOOD.