SDR WX0500021

Service difficulty report · Structure · Doug DC983

Difficulty date
February 12, 2005
Submitted
March 15, 2005
Operation
Air carrier
Aircraft
N866GA
Make and model
Doug DC983
Aircraft serial
49910
Part
Structure
Condition
Vibration
Location
Unknown
Stage of operation
CR
How discovered
O
Nature of condition
E
Precautionary procedure
A

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

What was found

ENROUTE LAS TO ICT A/C ENCOUNTERED POCKET OF SEVERE TURBULENCE AND ON RETURN FLT ICT TO LAS CREW REPORTED MODERATE AIRFRAME VIBRATION STRONGEST IN FWD FUSELAGE, SIMILAR TO HAVING FULL SPOILER DEFLECTION AND LANDING LIGHTS EXTENDED IN CRUISE FLT. THROTTLE SETTINGS WERE CHECKED AND AT 80 TO 87 PERCENT N1, VIBRATION WAS MAX. FLT WAS DIVERTED TO DEN AND LANDED W/O INCIDENT. MX INSPECTED A/C AND FOUND NO DEFECTS, PERFORMED HIGH POWER ENGINE RUNS WITH NO VIBRATION NOTED AND OBSERVED NOSE BULLETS FOR OSCILLATIONS WITH NONE NOTED. A/C WAS FERRIED TO LAS AND MX COMPLETED THE TURBULENCE INSPECTION IAW MM 05-51-02 SCHEDULE A WITH NO DAMAGE NOTED. MX PERFORMED AN INSPECTION OF THE NR 2 FLT SPOILER IAW MM 27-60-00 WIT

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