Service difficulty report · Control Unit · Boeing 767432ER

Difficulty date
May 6, 2008
Submitted
May 14, 2008
Operation
Air carrier
Aircraft
N833MH
Make and model
Boeing 767432ER
Aircraft serial
29706
Aircraft time
27,522 hours, 8,333 cycles
Part
Control Unit
Part number
261740794
Part serial
129
Condition
Malfunctioned
Location
Hyd System
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

AFTER RIGHT ENG START RCVD EICAS L HYD SYS PRESS AND RUDDER RATIO MSG. FOUND 31 VAC AT PLUG D480 B PHASE. SWAPPED L ELCU WITH C-2 ELCU, FWD CENTER SYS HYD ELECTRIC PUMP C-2 TO MCO AND PLAC.