SDR QMLA201808218098

Service difficulty report · Vertical Gyro · Agusta A109E

Difficulty date: August 20, 2018
Submitted: August 21, 2018
Operation: Air carrier
Aircraft: N951AL
Make and model: Agusta A109E
Aircraft serial: 11632
Aircraft time: 6,650 hours, 28,849 cycles
Engine: Pwc PW206C
Engine time: 6,558 hours, 13,280 cycles
System (JASC): 3421 · Attitude Gyro and Indicating System
Part: Vertical Gyro
Part number: 501121001
Part serial: 1623
Condition: Inoperative
Location: Cockpit
Stage of operation: UK
How discovered: C
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

AIRCRAFT BEGAN TO MAKE LEFT AND RIGHT UN-COMMANDED ROLL INPUTS. THE INPUTS INCREASED IN AMPLITUDE AND RATE OVER THE COURSE OF THE NEXT TWO MINUTES. NO AIRCRAFT CAUTION INDICATIONS CAME ON, ISOLATED THE INPUTS USING SAS SWITCHES, ONCE SAS 2 WAS SWITCHED OFF, THE INPUTS STOPPED.

More about the Agusta A109E