Service difficulty report · Blade · Urocop EC135T2

Difficulty date
April 9, 2024
Submitted
April 9, 2024
Operation
Air carrier
Aircraft
N955AL
Make and model
Urocop EC135T2
Aircraft serial
0554
Aircraft time
5,558 hours, 17,036 cycles
Engine
Tmeca ARRIUS2B2
Engine time
5,313 hours, 11,620 cycles
Part
Blade
Part number
L642A2002111
Part serial
M31134
Condition
Failed
Location
Tail Rotor
Part time
163 hours, 546 cycles
Stage of operation
UK
How discovered
V
Nature of condition
F, O
Precautionary procedure
K

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

What was found

TWO EC135T2+ TAIL ROTOR BLADES HAVE CRACKED AND/OR SHOWN PITTING VISIBLE TO THE NAKED EYE IN THE BLADE ROOT WITHIN THE LAST 48 HOURS. (DAMAGE IS IN ZONE H ON OUTBOARD SIDE REQUIRING AIRBUS DISPOSITION PER AMM 64-22-00, 6-4) BLADE P/N L642A2002111 S/N'S M31134 AND M31132. BLADE S/N M31134 HAS 163+48 FH AND BLADE S/N M1132 HAS 166+19 FH. THESE APPEAR TO BE MANUFACTURER DEFECTS IN A SERIES OF S/N'S THAT MAY EXTEND TO OTHER IN-SERVICE BLADES/AIRCRAFT THROUGHOUT THE FLEET.

More about the Urocop EC135T2