SDR 95ZZZX1347

Service difficulty report · Bearing · Bell 206L1

Difficulty date
March 7, 1995
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N27545
Make and model
Bell 206L1
Aircraft serial
45234
Part
Bearing
Part number
3143503600913
Condition
Rough
Location
Armature Shaft
Part time
796 hours
Stage of operation
IN
Nature of condition
E
Precautionary procedure
K

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

What was found

ON RUN-UP, FOUND ENGINE MAXIMUM ATTAINABLE N2 RPM WAS 95 PERCENT, ALSO, TORQUE WAS FLUCTUATING. VIBRATION OF STARTER/GENERATOR WAS HARMONICAL WITH THE FUEL CONTROL RPM CAUSING FLUCTUATION. ON DISASSEMBLY OF THE STARTER/GENRATOR, THE BEARING WAS FOUND ROUGH AND GREASE WAS DRY. LUBRICANT IN BEARING APPEARS TO BE THE ABSOLUTE MINIMUM QUANTITY.

More about the Bell 206L-1