Service difficulty report · Hydraulic Line · Boeing 757222

Difficulty date
April 28, 2010
Submitted
April 28, 2010
Operation
Air carrier
Aircraft
N558UA
Make and model
Boeing 757222
Aircraft serial
26654
Aircraft time
59,172 hours, 21,839 cycles
Engine
Pwa PW2037
Part
Hydraulic Line
Part number
271N64821116
Condition
Leaking
Location
Hydraulic Sys
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

DURING EXTERNAL CHECK FOUND HYD LEAK AT THE PRESSURE HYD LINE FROM THE RIGHT BRAKE STABILIZER CONTROL BMS UNIT. REPLACED RIGHT HYD HORIZONTAL STAB TRIM CONTROL LINE P/N 271N6482-1116. OPS CHECK HORIZONTAL STAB. OPS CHECK NORMAL, NO LEAKS NOTED.