SDR 99ZZZX1886

Service difficulty report · Sector Gear · Beech 95

Difficulty date
April 10, 1999
Submitted
March 26, 2000
Operation
General aviation
Aircraft
N21JC
Make and model
Beech 95
Aircraft serial
TD224
Part
Sector Gear
Part number
35810117
Condition
Failed
Location
Actuator
Part time
6,700 hours
Stage of operation
IN
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 ANNUAL INSPECTION GEAR OPERATION, ADJUSTED DOORS TO FIT TIGHTER, AND ACTUATOR SECTOR SHEARED TEETH. ACCORDING TO BEECH SHOP MANUAL AND OWNER'S MANUAL, IF GEAR ACTUATOR MOTOR FAILS TO SHUT OFF AFTER GEAR UP OR DOWN POSITIONS, ADJUST OR REPLACE LIMIT SWITCHES. BUT SHOULD STATE TO ALSO DYE PENETRATE INSPECT LANDING GEAR ACTUATOR SECTOR AND WORM GEARS FOR CRACKS. THIS IS THE WEAKEST LINK IN THE GEAR SYSTEM SINCE THERE ARE 14 SECTORS BACK ORDERED.

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