Service difficulty report · Valve · Boeing 757222

Difficulty date
June 23, 2008
Submitted
July 1, 2008
Operation
Air carrier
Aircraft
N589UA
Make and model
Boeing 757222
Aircraft serial
28707
Aircraft time
42,289 hours, 11,727 cycles
Engine
Pwa PW2037
Part
Valve
Condition
Failed
Location
Nlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

GEAR DISAGREE WARNING PROMPTED RTFL. FOUND NOSE GEAR SAFETY VALVE BY-PASSING, FAILING. REPLACED NOSE GEAR SAFETY VALVE, PERFORMED GEAR SWINGS, OPS CHECKED NORMAL.