Service difficulty report · Freq Adapter · Urocop EC130B4

Difficulty date
November 17, 2008
Submitted
January 16, 2009
Operation
Air carrier
Aircraft
N821MH
Make and model
Urocop EC130B4
Aircraft serial
4134
Engine
Tmeca ARRIEL2B1
Part
Freq Adapter
Part number
704A33640088
Part serial
11704
Condition
Cracked
Location
Main Rotor
Part time
906 hours
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

DURING ROUTINE MX INSPECTION 1 OF THE 3 FRQUENCY ADAPTERS FOUND TO HAVE A CRACK IN THE ELASTOMER NEARING ITS MAXIMUM ALLOWABLE LIMITATION OF 10MM. A NEW KIT OF 3 MATCHED ADAPTERS WERE INSTALLED.

More about the Urocop EC 130 B4