Service difficulty report · Hydraulic Line · Boeing 757224

Difficulty date
February 25, 2025
Submitted
February 28, 2025
Operation
Air carrier
Aircraft
N14120
Make and model
Boeing 757224
Aircraft serial
27562
Aircraft time
95,237 hours, 23,259 cycles
Part
Hydraulic Line
Part number
312N510144
Condition
Damaged
Location
Zone 400
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

RIGHT HYD QTY READS EMPTYSERVICED RIGHT HYD SYS TO FULL. RT ENG PYLON AREA HAS EXCESSIVE HYD FLUID. ACCOMPLISHED INSPECTION OF RT HYD SYS, INSPECTED HYD FILTERS IN RT PYLON & WHEEL WELLS & FOUND DPI TO BE FLUSHED. FOUND TUBE PRESSURE ASSY IN PYLON LEAKING FROM CLAMP AREA. REQUIRES REPLACEMENT OF PRESSURE TUBE ASSY & CLAMP AS A PRECAUTIONARY MEASURE. DISCONNECTED PRESSURE TUBE FROM ELBOW & ON TOP OF PYLON. REMOVED STRUT PNEUMATIC DUCT IAW AMM 36-11-01. REMOVED THE FILTER MODULE & COMPONENTS FOR PRESSURE & CASE DRAIN OF THE EDP IN THE RT SYS IAW AMM 29-11-17. REMOVED PRESSURE LINE. REPLACED E2 PRESSURE TUBE ASSY & CLAMP IAW AMM 29-11-17-404-027 & AMM 20-11-00-912-001. INSTALL RIGHT STRUT PNEUMATIC DUCT IAW AMM 36-11-01-404-109-001. OPS & LEAKS CHECKED SATISFACTORY.