Service difficulty report · Power Supply · Boeing 777223

Difficulty date
July 21, 2017
Submitted
August 1, 2017
Operation
Air carrier
Aircraft
N790AN
Make and model
Boeing 777223
Aircraft serial
30251
Aircraft time
67,868 hours, 8,693 cycles
Part
Power Supply
Part number
D71702001
Part serial
54263
Condition
Inoperative
Location
Cabin
Part time
16,274 hours, 3,246 cycles
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

AIRCRAFT WAS IN BASE MAINTENANCE. EMERGENCY EXIT LIGHT IN THE RIGHT AFT ZONE CEILING IS INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY M33401 PER AMM 33-51-06. OPERATIONAL CHECK GOOD.