Service difficulty report · Nut · Beech 400A

Difficulty date
December 17, 2004
Submitted
May 12, 2005
Operation
General aviation
Aircraft
N400HD
Make and model
Beech 400A
Aircraft serial
RK191
Part
Nut
Condition
Worn
Location
Jackscrew
Component
Actuator
Component part number
45AS61023139
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 A AND B INSPECTION NOTICED CLUNK IN PITCH TRIM. FOUND ACTUATOR IN FULL NOSE DOWN POSITION CONTACTING VERTICAL FIN CAP SUPPORT. UPON FURTHER INVESTIGATION FOUND JACKSCREW FREEPLAY MEASURED .075 MAX ALLOWABLE FREEPLAY IS .020. ACTUATOR OVERHAUL INTERVAL IS 1800 HOURS. THIS ACTUATOR WAS O/H 11/21/2000 WITH 756.2 TSO. NEXT SCHEDULED O/H DUE IN 1043.8 HOURS. FRAME CONTACT MAY HAVE HAD EFFECT ON PREMATURE WEAR. (K)

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