SDR QXEA2018031300086

Service difficulty report · Servo · Bombdr DHC8402

Difficulty date: March 13, 2018
Submitted: March 13, 2018
Operation: Air carrier
Aircraft: N444QX
Make and model: Bombdr DHC8402
Aircraft serial: 4355
Aircraft time: 15,818 hours, 16,473 cycles
System (JASC): 2210 · Autopilot System
Part: Servo
Condition: Noise
Location: Aileron
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

BINDING OR NOISE FROM AILERON AUTOPILOT SERVO. DISCONNECTED BRIDLE CABLES FROM AILERON SERVO TO AILERON PULLEY. AILERON POPPING NOISE AND BUMP IN YOKE TRAVEL STILL EXIST. RE-CONECTED BRIDLE CABLES AND LOOSLELY TENSIONED. RIGGED AND SAFETY CLIPPED AILERON SERVO BRIDLE IAW MM 22-11-16-830-801. OPS CHECKED GOOD. COMPLETED FREEDOM OF MOVEMENT CHECK, , ENSURED FULL TRAVEL AND VERIFIED PROPER DIRECTION OF MOVEMENT, NO DEFECTS NOTED PER GPM 9.2. RETURNED TO SERVICE.