Service difficulty report · Wire Harness · Boeing 777222

Difficulty date
February 22, 2009
Submitted
February 25, 2009
Operation
Air carrier
Aircraft
N788UA
Make and model
Boeing 777222
Aircraft serial
26942
Aircraft time
51,820 hours, 7,643 cycles
Engine
Pwa PW40903
Engine time
17,964 hours, 24,878 cycles
Part
Wire Harness
Part number
420834
Condition
Shorted
Location
Thrust Reverser
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

R ENG STATUS MSG R REVERSER. CHECK LT RVDT (M78002) RESISTANCE CHECK WITHIN RANGE. CHECK EEC HARNESS W604 WITH A MEGGAR AT CONN DM73003N PIN NR 3, 12, 11, 26 ALL SHORT TO GRD. REPLACED W0604 HARNESS. OP CHECK NR 2 ENG REV. OP CHECK GOOD, NO MSG.