Service difficulty report · Line · Boeing 777222

Difficulty date
January 20, 2010
Submitted
January 22, 2010
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
56,640 hours, 11,112 cycles
Engine
Pwa PW4077
Part
Line
Condition
Leaking
Location
Hyd System
Stage of operation
IN
How discovered
9
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

EVIDENCE OF HYD LEAK NR 2 ENG AT HYD PRESS LINE CONNECTION TO LWR PYLON. NEED TO ACCOMPLISH CLEANING OF BURNT HYD RESIDUE ON DUCTING AND SURROUNDING AREA DUE TO HYD LINES LEAKING, LOCATED UNDER OB REV COWL, AT HYD LINE HOOKUP PYLON AREA. HYD LINES HAVE BEEN REPLACED AND THERE ARE NO LEAKS. NEED A STRONG SOLVENT TO DO CLEAN UP. CLEANED HYD RESIDUE FROM DUCTS.