Service difficulty report · Switch · Boeing 777222

Difficulty date
December 12, 2008
Submitted
December 15, 2008
Operation
Air carrier
Aircraft
N219UA
Make and model
Boeing 777222
Aircraft serial
30551
Aircraft time
32,311 hours, 4,082 cycles
Engine
Pwa PW40903
Engine time
54,003 hours, 18,032 cycles
Part
Switch
Part number
42D395
Condition
Worn
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

NR 2 ENG FUEL DIFFERENTIAL SWITCH HAS WORN CONNECTOR THREADS. FOUND CONNECTOR LOOSE AND FLOATING ON WORN THREADS. INSTALLED NEW DIFFERENTIAL PRESSURE SWITCH UP TO, BUT NOT INCLUDING ITEM 3, H, (6) OF MM 73-34-01.