Service difficulty report · Indicator · Boeing 777224

Difficulty date
October 3, 2011
Submitted
October 4, 2011
Operation
Air carrier
Aircraft
N78005
Make and model
Boeing 777224
Aircraft serial
27581
Aircraft time
63,030 hours, 6,618 cycles
Part
Indicator
Part number
TC125UK00ZY1
Condition
Leaking
Location
Hydraulic Sys
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

HYD QTY C LOW HYD C PRESS 3060, QTY 0.40 LO. REVIEW ADVISORY CHECKLIST. PERFORMED THE MX TASK ADP & ACMP CASE DRAIN FILTER INSPECTION & FOUND NO EVIDENCE OF PUMP DAMAGE. WHILE PERFORMING THIS TASK FOUND THE CTR HYD PUMP 1 PRESS AND CASE DRAIN FILTER MODULE DIFF PRESS INDICATOR LEAKING. R&R THE NR 1 CTR HYD DIFF PRESS INDICATOR AS PER AMM 29-11-41. LEAK CHECK GOOD. CTR HYD SERVICED.