Service difficulty report · Trim Tab · Beech 99

Difficulty date
June 13, 2000
Submitted
July 20, 2000
Operation
General aviation
Aircraft
N95WA
Make and model
Beech 99
Aircraft serial
U6
Part
Trim Tab
Part number
99130011
Condition
Cracked
Location
Lt Aileron
Part time
35,294 hours
Stage of operation
IN
How discovered
V
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

THE AILERON TRIM TAB DID NOT PASS A VISUAL SURFACE INSPECTION DURING A CHECK OF THE FREE PLAY DURING A DETAILED INSPECTION. REMOVED ENTIRE AILERON ASSY AND INSTALLED A SERVICEABLE AILERON ASSY. THE INSPECTION PROCESS WORKED IN THIS CASE AS DESIGNED SO AN INCREASE IN FREQUENCY IS NOT WARRANTED. THE INSPECTION/CHECK IS FOR FREE-PLAY AND THE DISCREPANCY WAS FOR BOTH FREE-PLAY IN EXCESS OF THE MFG''S RECOMMENDATIONS AND CRACKS IN THE SKIN. CRACKS IN THE SKIN APPEAR TO BE THE RESULT OF IMPROPER GROUND HANDLING. (X)

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