Service difficulty report · Drain Line · Boeing 777333ER

Difficulty date
March 20, 2009
Submitted
April 9, 2009
Operation
General aviation
Make and model
Boeing 777333ER
Aircraft time
3,296 hours
Engine
Ge GE90115B
Part
Drain Line
Part number
272W499029
Condition
Leaking
Location
Hyd System
Part time
4,315 hours
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

(CAN) DURING WALKAROUND CHECK, FOUND HYDR LEAK COMING FROM CENTER SYS PRESSURE AND CASE DRAIN FILTER MODULE. LEAK WAS IDENTIFIED AS COMING FROM ONE END OF THE CASE DRAIN TUBE. FURTHER EXAMINATION REVEALED THAT THE LEAK WAS BETWEEN THE TUBE AND THE SWAGED END FITTING.