Service difficulty report · Servo · Urocop EC130B4

Difficulty date
September 12, 2011
Submitted
September 23, 2011
Operation
Air carrier
Aircraft
N138PH
Make and model
Urocop EC130B4
Aircraft serial
3790
Engine
Tmeca ARRIEL2B1
Part
Servo
Part number
SC8042
Part serial
833
Condition
Worn
Location
Flight Control
Part time
9,573 hours, 2,264 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

PILOT FOUND UPPER ROD END BEARING LOOSE, WITHIN SERVO HOUSING. ON FURTHER INVESTIGATION, FOUND THREADS IN SERVO BODY WORN BEYOND LIMITS. COULD HAVE CAUSED A CATASTROPHIC FAILURE.

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