Service difficulty report · Crossbeam · Urocop EC130B4

Difficulty date
November 25, 2025
Submitted
November 26, 2025
Operation
Air carrier
Filed by
2A6D933B
Air Methods LLC
Aircraft
N92OU
Make and model
Urocop EC130B4
Aircraft serial
3453
Aircraft time
9,878 hours, 30,347 cycles
Engine
Tmeca ARRIEL2B1
Engine time
7,325 hours, 16,258 cycles
Part
Crossbeam
Part number
350A21434420
Condition
Chafed
Location
Zone 700
Part time
9,878 hours, 30,347 cycles
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

VARIOUS DAMAGES AT THE AFT LANDING GEAR LOCATION, THE FIRST DAMAGE (#1) IS AT THE AFT LANDING GEAR CROSS BEAM SHIM (P/N: 350A214344.20) IN THE FORM OF CHAFING. THE CHAFE DAMAGE IS POSSIBLE DUE TO WEAR IN THE SHIM (P/N: 350A410064.20) BETWEEN THE AFT LANDING GEAR LOWER ARM AND LOWER HALF BEARING OR WEAR IN THE LOWER HALF BEARING (P/N: 350A410060.20) WHICH CREATED A SLIGHT LATERAL MOVEMENT OF LANDING GEAR CROSS TUBE AND CAUSED CHAFE DAMAGE TO THE LANDING GEAR CROSS BEAM SHIM. THE SECOND DAMAGE (#2) IS AT THE AFT LANDING GEAR CROSS BEAM (P/N: 350A214311.20) IN THE FORM OF CHAFING. THE LARGEST CHAFE DAMAGE AT LOWER SIDE OF THE CROSS BEAM WAS MEASURED TO BE APPROXIMATELY 0.3 IN LENGTH AND 0.015 IN DEPTH.

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