Service difficulty report · Hydraulic Line · Boeing 777222

Difficulty date
August 27, 2011
Submitted
September 9, 2011
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
59,811 hours, 8,696 cycles
Engine
Pwa PW40903
Part
Hydraulic Line
Condition
Leaking
Location
Nlg
Stage of operation
IN
How discovered
O
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

PRIOR TO DEPARTURE HEAVY HYDRAULIC LEAK FROM CENTER SYSTEM NLG STEERING PRESS FLEX LINE AT SWAGED SECTION AT CONNECTION TO SOLID LINE TOP OF NLG. REPLACED HYDRAULIC LINE ASSY CARRIED OUT LEAK CHECKS & OPS CHECKS. ALL OPS & INDICATIONS SATISFACTORY.