SDR 2016F00019

Service difficulty report · Hose · Boeing 777*

Difficulty date
January 7, 2016
Submitted
January 28, 2016
Operation
General aviation
Make and model
Boeing 777*
Aircraft time
44,907 hours, 6,103 cycles
Part
Hose
Part number
AE7175891
Condition
Leaking
Location
Hyd System
Part time
15,999 hours, 2,148 cycles
Stage of operation
CL
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

(B6707) HYDRAULIC PRESSURE SYS C, CAUTION MSG. WHEN CLIMBOUT, AT AROUND 10000 FT, QTY INDICATION IS ZERO. CHECK FOUND RT MAIN GEAR STEERING ACTUATOR PRESSURE HOSE HYDRAULIC LEAK. C-CHECK, HYDRAULIC SYS RETURN FILTER MODULE PRESSURE DIFFERENTIAL INDICATOR NOT BY-PASS. REPLACED RT MAIN GEAR STEERING ACTUATOR PRESSURE HOSE, SERVICE-C HYD SYS TO SERVICE LEVEL AND PFM RT MAIN GEAR STEERING ACTUATOR BLEED AND LEAK CHECK, CONDITION NORMAL. NO LEAK FOUND.