Service difficulty report · Line · Boeing 777222

Difficulty date
December 23, 2007
Submitted
December 26, 2007
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
46,521 hours, 7,200 cycles
Engine
Pwa PW4090
Part
Line
Part number
AS4568J0460SS
Condition
Punctured
Location
Hydraulic System
Part time
46,521 hours, 7,200 cycles
Stage of operation
DE
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

EMERGENCY DECLARED DUE TO CENTER HYDRAULIC SYSTEM FAILURE. HYDRAULIC LINE FOR NOSE GEAR STEERING PUNCTURED, REPLACED HYDRAULIC LINE. SERVICED HYDRAULIC CENTER SYSTEM. AC OK FOR SERVICE