Service difficulty report · Gear · Cessna 421B

Difficulty date
March 29, 2001
Submitted
November 5, 2001
Operation
General aviation
Aircraft
N421HM
Make and model
Cessna 421B
Aircraft serial
421B0029
Engine
Cont GTSIO520K
Part
Gear
Part number
51152401
Part serial
14879
Condition
Damaged
Location
Flap Actuator
Part time
3,100 hours
Stage of operation
AP
How discovered
O
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

ON FINAL, THE FLAPS MADE A LOUD POPPING SOUND. REMOVE FLAP ACTUATOR AND FOUND THAT THE GEAR BOX HAD ONE GEAR WITH THE TEETH MISSING.

More about the Cessna 421B