Service difficulty report · Rod End · Robsin R44RAVENII

Difficulty date
August 1, 2013
Submitted
August 23, 2013
Operation
General aviation
Aircraft
N441BJ
Make and model
Robsin R44RAVENII
Aircraft serial
10528
Engine
Lyc IO540AE1A5
System (JASC)
7603 · Power Lever
Part
Rod End
Part number
A1273
Condition
Failed
Location
Throttle Cntrl
Part time
1,131 hours
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

INFLIGHT LOSS OF ENGINE POWER. THROTTLE WENT TO IDLE. UNABLE TO MOVE THROTTLE TO REGAIN POWER. GOVERNOR TURNED OFF. RESULTS THE SAME, NO ALILITY TO REGAIN POWER AUTOROTATED ON TO ROAD. INVESTIGATION REVEALED ROD END ORIENTATED TOWARDS ENGINE, PN A127-3 SEPARATED FROM PUSH PULL TUBE A336-6, PAL NUT B330-7 STILL IN PLACE ON ROD END. LOCKING NUT AN315-3R FOUND IN ENGINE COMPARTMENT ON FWD SHELF. PUSH PULL TUBE BENT (ARCED UP) AS WELL AS ROD END THAT SEPARATED. THREADS IN PUSH PULL TUBE, ROD END AND LOCKING NUT ARE COMPROMISED TO THE POINT THAT THEY DO NOT ENGAGE, ROD END BEARING MATERIAL WORN INTO AN ELLIPTICAL SHAPE. ACFT TECH REP AND ENGINEERING HAVE BEEN NOTIFIED AND COMPROMISED PARTS ARE BEING SENT FOR EVALUATION.