Service difficulty report · Hose · Boeing 777224

Difficulty date
August 19, 2023
Submitted
August 25, 2023
Operation
Air carrier
Aircraft
N76021
Make and model
Boeing 777224
Aircraft serial
39776
Aircraft time
58,055 hours, 5,730 cycles
Part
Hose
Part number
AS4570E0215EE
Condition
Leaking
Location
Pressure Fitting
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

HYD LEAK FROM TAIL COMPARTMENT. DRIPPING TO GROUND INSPECTED AND FOUND HYD LINE P/N AS4570J0282SS LEAKING APPROX 1 REFERENCE HYDRAULIC ACCUMULATOR REMOVAL TASK DROP A SECOND. SEE PHOTO 29-11-72-000-803-002 TO REMOVED THE GAS PRESSURE BECAUSE LINE IS IN LINE WITH RIGHT SYSTEM PRESSURE ACCUMULATOR SURGE . REMOVED , REPLACED AND SUCCESSFULLY LEAK CHECKED THE RIGHT ACCUMULATOR PRESSURE LINE REF AMM 29-11-72. SERVICED RIGHT ACCUMULATOR REF AMM 12-15-10. PARTS USED: 25-3234-3-0018,QTY :1