Service difficulty report · Unknown · Boeing 777222

Difficulty date
February 28, 2012
Submitted
March 29, 2012
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
67,975 hours, 12,358 cycles
Engine
Pwa PW4077
Part
Unknown
Condition
Malfunctioned
Location
Hydraulic Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

HYD PRESS PRI C2 LOW CENTER SYSTEM HYDRAULIC PRIMARY PUMP NR 2 PRESSURE OR PUMP SWITCHED OFF. ADVISORY MSG-2912010 LATCHD ER MODE MSG-2912010 LATCHD ER MODE. PULLED AND COLLARED P210 C2 HYD PUMP CTRL CB. HAS HISTORY. RPL: FOUND NO FAULTS REF FIM 29-11 TASK 892. DUE TO HISTORY SWAPPED HYDIM CARDS CL AND CR TO SEE IF ANYTHING FOLLOWS.