Service difficulty report · Hose · Boeing 777222

Difficulty date
June 11, 2010
Submitted
June 15, 2010
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
56,279 hours, 10,169 cycles
Engine
Pwa PW4077
Part
Hose
Part number
AS4568J0460SS
Condition
Damaged
Location
Hyd Sys
Stage of operation
IN
How discovered
9
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

CTR SYS HYD FAILURE. ACCOMPLISHED INTERIM REPAIR WITH FLEX HOSE. HOSE ASSY NEEDS TO BE REPLACED AT FIRST MAINT OPPORTUNITY. REFILLED CENTER SYS HYD RESERVOIR TO FULL. REPLACED CEN SYS ACMP PRESSURE AND CASE DRAIN FILTER MODULES AND CEN SYS ADP PRESSURE AND CASE DRAIN FILTER MODULE. REPLACED FLEX HOSE WITH HOSE ASSY. PRESSURE CHECKED, NO LEAKS FOUND. ALL CKS OKAY.