Service difficulty report · Seal · Boeing 777222

Difficulty date
June 9, 2013
Submitted
June 11, 2013
Operation
Air carrier
Aircraft
N216UA
Make and model
Boeing 777222
Aircraft serial
30549
Aircraft time
54,124 hours, 6,751 cycles
Engine
Pwa PW4090
Part
Seal
Condition
Leaking
Location
Hyd System
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

HYDRAULIC PRESSURE PRI C2 LOW CENTER SYS HYD PRIMARY PUMP NR 2 PRESSURE OR PUMP SWITCHED OFF. INTERMITTENT-TURNED PUMP OFF IAW CHECKLIST ON ARRIVAL FOUND PRESSURE SWITCH SEAL LEAKING ON ACMP 2 PRESSURE AND CASE DRAIN FILTER MODULE.