Service difficulty report · Hose · Agusta AW119MKII

Difficulty date
October 26, 2023
Submitted
October 26, 2023
Operation
General aviation
Aircraft
N17016
Make and model
Agusta AW119MKII
Aircraft serial
15824
Aircraft time
87 hours, 42 cycles
Part
Hose
Part number
109G2820V01101
Part serial
NA
Condition
Fatigued
Location
Zone 100
Part time
87 hours, 42 cycles
Stage of operation
IN
How discovered
C
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

CORRUGATED FUEL LINE WAS FOUND CRACKED DURING A SYSTEM DISTRIBUTION CHECK. US NAVY INVESTIGATION FOUND TUBE FAILED IN FATIGUE ORIGINATING ON BOTH THE INNER AND OUTER DIAMETERS OF THE TUBE AND CONVERGED TOWARDS THE MIDPOINT. FAILURE IS LIKELY DUE TO (1) STRETCHING DURING INSTALLATION AND (2) SEVERAL SUBSEQUENT MAINTENANCE ACTIONS DISTURBING THE TUBE.

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