Service difficulty report · Fastener · Urocop EC130B4

Difficulty date
January 22, 2004
Submitted
March 18, 2004
Operation
Air carrier
Aircraft
N802MH
Make and model
Urocop EC130B4
Aircraft serial
3707
Engine
Tmeca ARRIEL2B
System (JASC)
1430 · Fasteners
Part
Fastener
Part number
TL100AXE12L50
Condition
Sheared
Location
Engine Fairing
Part time
529 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

1 OF 4 LATCHES ON THE ENGINE FAIRING, THE LATCH HOOK SHEARED AT THE BASE OR CONTACT POINT IN THE HOOK AND EXAMINATION SHOWED NO APPARENT WEAR JUST A SHEAR BREAK LINE WITH SOME CRYSTALIZATION APPARENT MUCH LIKE A FATIGUE FAILURE. THE HOOK IS OF TITANIUM MATERIAL. AN OLDER STAINLESS STEEL VARIENT OF THE LATCH WAS MUCH MORE DURABLE AND WOULD WEAR SLOWLY AND NEVER SHEARED EXCEPT DUE TO WEAR.

More about the Urocop EC 130 B4