Service difficulty report · Fairing · Urocop EC130B4

Difficulty date
September 1, 2008
Submitted
October 24, 2008
Operation
Air carrier
Aircraft
N817MH
Make and model
Urocop EC130B4
Aircraft serial
4125
Engine
Tmeca ARRIEL2B1
Part
Fairing
Part number
350A31201621
Condition
Cracked
Location
Main Rotor
Part time
912 hours
Stage of operation
IN
How discovered
9
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

FOUND CRACKS RADIATING FROM A SINGLE SCREW BORE DURING ROUTINE INSPECTION. INSTALLED NEWLY REPAIRED AND PAINTED ASSY. FOLLOWING DOUBLER INSTALLATION AT SCREW BORE POSITIONS. THIS PART HAS HAD A HISTORY OF SIMILAR CRACK DEVELOPMENT UNTIL DOUBLERS WERE APPLIED. CURRENTLY NEW ACFT ARE DELIVERED FROM THE FACTORY WITH DOUBLER INSTALLED AT THESE SCREW BORE POSITIONS. (K)

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