Service difficulty report · Bearing · Beech B200

Difficulty date
June 17, 2011
Submitted
September 9, 2011
Operation
Air carrier
Make and model
Beech B200
Aircraft time
10,011 hours
Engine
Pwa PT642A
Propeller
Mcauly 4HFR34C752
Part
Bearing
Part number
BC56984
Condition
Failed
Location
Te Flap
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FLAP SYS ASSYMETRY OCCURRED DURING A HIGH ALTITUDE SIMULATED OVERSHOOT. PILOT REPORTED THAT THE ACFT DIDN`T WANT TO CLIMB VERY WELL AND IT WANTED TO NATURALLY TURN TO THE RT ONCE CLIMB ENGINE POWER WAS APPLIED AND FLAPS WERE RETRACTED. FURTHER INSPECTION OUT THE WINDOW REVEALED THE RT OTBD FLAP DID NOT FULLY RETRACT. LANDED WITHOUT INCIDENT. INSPECTION REVEALED THAT THE RT OTBD FLAP INBD HINGE AFT BEARING HAD FAILED, CAUSING DAMAGE TO THE FLAP SUPPORT STRUCTURE. THE FLAP HAD WEDGED ITSELF OVER CAUSING IT TO JAM UP IN THE FLAP WELL AREA AND AGAINST THE AILERON CAUSING THE ASSYMETRY. S

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