What was found
DURING TAKEOFF AT 120 KNOTS, AIRCRAFT YAWED TO THE RIGHT. AT THE TIME, NUMBER 1 AND 2 ENGINE OUTPUTS WERE EQUAL. *S/D* REPLACED THE YAW DAMPER COUPLER. REPLACED THE BEARINGS AS A PRECAUTION.
- Difficulty date
- October 14, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N994UA
- Make and model
- Boeing 737291
- Aircraft serial
- 22384
- Engine
- Pwa JT8D17
- System (JASC)
- 2210 · Autopilot System
- Part
- Coupler
- Condition
- Failed
- Location
- E/E Comp
- Component
- Honeywell · 4030952902
- Stage of operation
- TO
- Nature of condition
- F
- Precautionary procedure
- C, D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.