Service difficulty report · Power Supply · Boeing 777223

Difficulty date
September 27, 2016
Submitted
September 27, 2016
Operation
Air carrier
Aircraft
N788AN
Make and model
Boeing 777223
Aircraft serial
30011
Aircraft time
62,748 hours, 8,241 cycles
Part
Power Supply
Part number
D71702001
Part serial
17072
Condition
Faulty
Location
Emergency Lights
Part time
23,115 hours, 2,752 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

FIRST CLASS EMERGENCY LIGHT AND EXIT SIGNS AT L1 & R1 DOORS ARE INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY M33093 IAW AMM 33-51-06. OPERATIONAL CHECK NORMAL.