Service difficulty report · Latch · Urocop EC130B4

Difficulty date
February 4, 2008
Submitted
March 31, 2008
Operation
Air carrier
Aircraft
N821MH
Make and model
Urocop EC130B4
Aircraft serial
4134
Engine
Tmeca ARRIEL2B1
System (JASC)
5200 · Doors
Part
Latch
Part number
677120600
Condition
Failed
Location
Door
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

THIS PART CALLED A SHOCK ABSORBER DEVICE BY THE MFG IS USED TO SEQUENCE THE DOOR LATCHING MECHANISM TO PREVENT DOOR CLOSURE WITH LATCH PINS EXTENDED AND IMPACTS WITH THE DOOR FRAME. IT IS MFG OF A VERY BRITTLE BRONZE TYPE MATERIAL THAT WILL CRACK WITH JUST THE INSTALLATION OF BLIND RIVETS IN THE COUNTERSUNK HOLES PREDRILLED IN THE PART. CRACKS WERE FOUND EMANITING FROM THE HOLES AT THE RIVETS WITH A CORNER OF THE MOUNTING FLANGE FOUND MISSING. SUGGEST THIS PART BE MFG FROM STAINLESS STEEL FOR BETTER DURABILITY. (K)

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