Service difficulty report · Power Supply · Boeing 777223

Difficulty date
December 13, 2016
Submitted
December 16, 2016
Operation
Air carrier
Aircraft
N776AN
Make and model
Boeing 777223
Aircraft serial
29582
Aircraft time
72,503 hours, 8,766 cycles
Part
Power Supply
Part number
D71702001
Part serial
54648
Condition
Inoperative
Location
Emergency Lights
Part time
16,600 hours, 1,857 cycles
Stage of operation
IN
How discovered
V
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

EMERGENCY EXIT LIGHT AT L2 DOOR TRANSITION PANEL IS INOPERATIVE. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT M33099 IAW AMM 33-51-06. OPERATIONAL CHECK GOOD.