Service difficulty report · Potentiometer · Urocop EC130B4

Difficulty date
November 5, 2007
Submitted
August 5, 2008
Operation
Air carrier
Aircraft
N824MH
Make and model
Urocop EC130B4
Aircraft serial
4173
Engine
Tmeca ARRIEL2B1
Part
Potentiometer
Part number
116SF2C502W253
Condition
Cracked
Location
Collective
Part time
51 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

AMBER GOVERNOR LIGHT ILLUMINATED IN FLIGHT AND A FAULT CODE GENERATED INDICATING FAULT WITH COLLECTIVE LEVER VALUES BEING PROVIDED BY THE POTENTIOMETER. NEW POTENTIOMETER INSTALLED WITH NO FURTHER DEFECT NOTED. SUGGEST DIFFERENT MFG OR DESIGN BE CONSIDERED AS THIS IS A REPEATED DEFECT THAT AFFECTS AC DISPATCH RELIABILITY. (K)

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