Service difficulty report · Seal · Boeing 757231

Difficulty date
July 26, 2009
Submitted
August 3, 2009
Operation
Air carrier
Aircraft
N711ZX
Make and model
Boeing 757231
Aircraft serial
28481
Aircraft time
40,030 hours, 13,806 cycles
Part
Seal
Condition
Broken
Location
Hydraulic Sys
Component
Relief Valve · 0091502002
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

LEFT HYD RSVR LIGHT ON. FOUND SEAL ON L HYD PRESS RELIEF SLEEVE BROKEN. REMOVED AND REPLACED PER MM, LEAK CHECK GOOD. LT HYD RSVR LIGHT OFF.