Service difficulty report · B-Nut · Boeing 757222

Difficulty date
July 11, 2011
Submitted
July 22, 2011
Operation
Air carrier
Aircraft
N558UA
Make and model
Boeing 757222
Aircraft serial
26654
Aircraft time
62,599 hours, 23,107 cycles
Engine
Pwa PW2037
Part
B-Nut
Condition
Loose
Location
Yaw Damper
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

HYD LEAK ON RT SIDE OFF FUSELAGE JUST AFT OF RT ELEVATOR. SECURED 'B' NUT CONNECTION ON THE LEFT YAW DAMPER SERVO. ACCMP'D HYD SYSTEM GENERAL EXTERNAL LEAK CHECK IAW MM, ALL CHECKS GOOD.