SDR HALA2015082500170

Service difficulty report · Warning Message · Boeing 767332

Difficulty date: August 26, 2015
Submitted: August 26, 2015
Operation: Air carrier
Aircraft: N594HA
Make and model: Boeing 767332
Aircraft serial: 23275
Aircraft time: 87,132 hours, 34,889 cycles
System (JASC): 2910 · Hydraulic System, Main
Part: Warning Message
Condition: False Activation
Location: Hyd System
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

DURING CLIMB, C HYD DEM PUMP EICAS MESSAGE CAME ON. CENTER AIR SWITCH WAS IN AUTO, MOVED SWITCHED TO ON, SAME MSG. FOUND CENTER ISOLATION VALVE IN THE CLOSED POSITION. OPENED CENTER ISOLATION VALVE, OPS CHECKED GOOD. CHECKED HYDRAULIC SYSTEM IAW AMM 29-11-00. OPS CHECKED GOOD. NO DEFECTS NOTED, OK FOR SERVICE.