Service difficulty report · Connector · Boeing 777222

Difficulty date
August 23, 2013
Submitted
October 10, 2013
Operation
Air carrier
Aircraft
N212UA
Make and model
Boeing 777222
Aircraft serial
30218
Aircraft time
48,100 hours, 10,314 cycles
Engine
Pwa PW4077
Part
Connector
Part serial
D5251P
Condition
Damaged
Location
Cabin
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

FOUND CONNECTOR D5251P ON OVERHEAD ELECTRONICS UNIT AT ROW 23 CENTER, CAUSING CIRCUIT BREAKER C23420 "OEU ZN 2 XFR BUS" TO TRIP. READING LTS 22-27 DEFG INOPERATIVE ON ACCOUNT OF DAMAGED CONNECTOR AT 23F. CAPPED OFF POWER WIRES TO PIN15 & PIN 06 IAW SWP MANUAL 20-10-11. ISOLATED DAMAGED BY REMOVING OVERHEAD ELECTRONICS UNIT CONNECTORS AT SEATS 22EF (D5250) &24EF (D5252). SEE DF 459 & 461 FOR AFFECTED SYSTEMS. CIRCUIT BREAKER REMAINED IN AFTER WIRES WERE TIED BACK. REPLACED DAMAGED CONNECTOR D5251P PER SWPM20-72-22,WDM23-33-43 & 23-33-46, PSS OP CHECKS NORMAL.