Service difficulty report · Inverter · Boeing 777222

Difficulty date
April 5, 2001
Submitted
April 27, 2001
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
23,495 hours, 5,520 cycles
Engine
Pwa PW4077
Part
Inverter
Part number
80181
Condition
Failed
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

FLOOR PROXIMITY EMERGENCY PATH MARKING LIGHTS (SEAT- MOUNTED) ARE INOP AT SEATS 1EF AND 3EF. SUPPLEMENTAL DATA UPDATE FOUND PIN 15 OF CONNECTOR DM33094 PUSHED BACK & LOCK BROKEN AT DR 1 R. FOUND 6 INVERTERS BLOWN IN F/C EEL SYSTEM. FOUND ALL THE BULBS BLOWN IN C/C CLASS EEL SEAT ROWS 8 & 9. REPLACED CONNECTOR DM33094, REPLACED INVERTERS, REPLACED C/C EEL BULBS, REPLACED 5 F/C EEL LUMINESCENT STRIP LIGHTS, REPLACED WIRE FROM CONNECTOR DM33094 PIN 14 TO CONNECTOR D99933J PIN 1.