Service difficulty report · Planetary Gear · Casa C212200

Difficulty date
July 13, 2003
Submitted
September 4, 2003
Operation
General aviation
Make and model
Casa C212200
Engine
Garrtt TPE33110
Part
Planetary Gear
Part number
31011447
Condition
Damaged
Location
Gearbox
Part time
217 cycles
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

(AUS) ENGINE GEARBOX SUN GEAR DAMAGED WHICH IN TURN CAUSED DAMAGE TO THE PLANETARY GEARS. SUSPECT SUN GEAR INCORRECTLY HARDENED DURING MANUFACTURE. FOUND AS A RESULT OF SOAP SAMPLE TESTING.