Service difficulty report · Valve · Boeing 757222

Difficulty date
November 17, 2013
Submitted
November 20, 2013
Operation
Air carrier
Aircraft
N547UA
Make and model
Boeing 757222
Aircraft serial
25368
Aircraft time
81,882 hours, 23,756 cycles
Engine
Pwa PW2040
Part
Valve
Part number
505P04403
Part serial
190
Condition
Leaking
Location
Nr 1 Engine
Stage of operation
IN
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

NR 1 ENG FUEL DISTRIBUTION VLV LEAKING FROM TOP SURFACE OF UNIT AT 6 O`CLOCK POSITION. REPLACED FUEL DISTRIBUTION VLV, ABOVE NO HELP STILL LEAKING. REPLACED FUEL DISTRIBUTION VLV FOR THE SECOND TIME, NO HELP STILL LEAKS AFTER ENG SHUT DOWN. REMOVED OLD UNIT MR73518-9 INSTALLED MR73151-02. NEED LEAK CHECKED & IDLE RUN. ACCOMPLISHED IDLE LEAK CHECK OF FUEL DISTRIBUTION VLV AFTER EEC REPLACEMENT, LEAK CHECKED GOOD.