SDR RRXA97183

Service difficulty report · Elevator Control · Doug DC863F

Difficulty date: June 10, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N921R
Make and model: Doug DC863F
Aircraft serial: 46145
System (JASC): 2730 · Elevator Control System
Part: Elevator Control
Condition: Flutter
Location: Empennage
Stage of operation: CL
Nature of condition: E, F
Precautionary procedure: A

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

What was found

ELEVATOR HAS AREO DYNAMIC FLUTTER AS THE AIRSPEED INCREASES, THE FLUTTER RATE INCREASES. AT 300 KTS IAS THE FLUTTER IS FAST ENOUGH THAT IT FEELS LIKE A BUZZ. INSPECTED ELEVATOR SYSTEM IAW MM CHAPTER 27-40-0, NO DEFECTS NOTED, ELEVATOR SYSTEM OPS CHECK GOOD.

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