Service difficulty report · Power Supply · Boeing 767323

Difficulty date
November 17, 2014
Submitted
November 20, 2014
Operation
Air carrier
Aircraft
N394AN
Make and model
Boeing 767323
Aircraft serial
29431
Aircraft time
64,456 hours, 10,363 cycles
Part
Power Supply
Part number
20131A
Condition
Inoperative
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

DURING EMER LIGHT TEST L391, L392 & L644 FOR RT SIDE AFT EXTERNAL EMER LIGHTS INOPERATIVE. R & R EMER LIGHT POWER SUPPLY POSITION NR M733 IAW MM 33-51-00-725-247. SYS CHECKED NORMAL.