Service difficulty report · Yaw Damper · Boeing 757222

Difficulty date
April 25, 2011
Submitted
April 27, 2011
Operation
Air carrier
Aircraft
N544UA
Make and model
Boeing 757222
Aircraft serial
25322
Aircraft time
73,317 hours, 21,114 cycles
Engine
Pwa PW2037
Part
Yaw Damper
Part number
15405009
Part serial
230
Condition
Leaking
Location
Elevator
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

FLUID DRIPPING FROM ELEV CTRL ACCESS DOOR AND BOTH SIDES OF TAIL CONE. FOUND LEFT YAW DAMPER LEAKING AT 5-10 DROPS PER MINUTE, WITHIN LINE MAXIMUM DISPATCH LIMITS, CARRY FORWARD LEAKAGE LIMITS PERMIT CONTINUED AIRCRAFT OPERATION FOR A MAXIMUM OF 75 FLT HOURS, CONFERRED WITH SFOLM. REPLACED LT YAW DAMPER SERVO, OPS CHECKED GOOD. NO LEAKS NOTED.