Service difficulty report · Nut · Beech A100

Difficulty date
June 10, 2004
Submitted
January 5, 2005
Operation
General aviation
Make and model
Beech A100
Aircraft time
18,787 hours
Engine
Pwa PT6A28
Propeller
Mcauly 4HFR34C762
Part
Nut
Condition
Damaged
Location
Mlg Actuator
Stage of operation
IN
How discovered
9
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

DURING RECTIFICATION OF A SNAG GEAR HANDLE LIGHT STAYING ON WHEN GEAR RETRACTED, A/C JACKED UP AND L/G SWINGS WERE COMPLETED. NOTED THAT LT L/G DOORS WAS HANGING OPEN WITH GEAR RETRACTED. ACT REMOVED DUE TO SUSPICION IT HAD SLIPPED INTERNALLY, CAUSING IT TO BE OUT OF SYNC WITH NOSE AND RT MAIN GEAR ACTUATORS. INSPECTION OF ACT AFTER REMOVAL SHOWED ACT TO HAVE AN EXCESSIVE AMT OF INTERNAL RESISTANCE. SENT TO OVERHAUL FACILITY FOR EVALUATION. OVERHAUL FACILITY HAS DISASSEMBLED ACT AND FOUND EXCESSIVE WEAR AND STRIPED THREADS ON NUT AND SCORING ON SCREW THREADS. THIS UNIT IS BEING SENT TO RAYTHEON FOR FURTHER ANALYSIS.

More about the Beech A100