SDR CALA2016071100419

Service difficulty report · Line · Boeing 757224

Difficulty date: July 11, 2016
Submitted: July 11, 2016
Operation: Air carrier
Aircraft: N13113
Make and model: Boeing 757224
Aircraft serial: 27555
Aircraft time: 81,474 hours, 20,035 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Line
Condition: Leaking
Location: Hydraulic Sys
Stage of operation: CR
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

LEFT HYD QTY INDICATES ZERO. EICAS MESSAGES LT HYD QTY AND POWER TRANSFER UNIT ILLUMINATED. LEFT HYD SYSTEM WAS SELECTED OFF WHEN LEFT HYD QTY READ 30%. REMAIN OFF FOR THE REMIANING OF THE FLIGHT. BOTH DOWNLOCK LINES REPLACED, SERVICED HYDRAULICS, CHECKED LINES FOR LEAKS, NONE NOTED, ACTUATED ALL FLIGHT CONTROLS, RESERVICED HYDRAULICS TO FULL.