Service difficulty report · Module · Boeing 777222

Difficulty date
June 11, 2010
Submitted
June 14, 2010
Operation
Air carrier
Aircraft
N781UA
Make and model
Boeing 777222
Aircraft serial
26945
Aircraft time
56,279 hours, 10,169 cycles
Engine
Pwa PW4077
Part
Module
Condition
Low Pressure
Location
Hyd System
Stage of operation
IN
How discovered
9
Nature of condition
J
Precautionary procedure
K

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

What was found

HYD PRESS SYS C LOW CENTER HYD SYS PRESSURE. SYS PRESSURE LESS THAN 1200 PSI. CAUTION MSG01- ACTIVE APPROACH HARD; RESERVOIR (CTR) FLUID QUANTITY IS LOW. DB- HYD INTERFACE MODULE (HYDIM)(CL) MSG-2910150 ACTIVE AP HARD. REFILLED CTR SYS HYD RESERVOIR TO FULL. REPLACED CEN SYS ACMP PRESSURE & CASE DRAIN FILTER MODULES AND CTR SYS ADP PRESSURE AND CASE DRAIN FILTER MODULE. ALL CHECKS OK.