Service difficulty report · Power Supply · Boeing 777223

Difficulty date
March 24, 2019
Submitted
March 27, 2019
Operation
Air carrier
Aircraft
N780AN
Make and model
Boeing 777223
Aircraft serial
29956
Aircraft time
74,388 hours, 9,347 cycles
Part
Power Supply
Part number
D71702001
Part serial
13930
Condition
No Test
Location
Emergency Lights
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

EMERGENCY LIGHTS IN THE BUSINESS CLASS, SEAT ROWS 13-25 FAILED A 10 MINUTE FUNCTIONAL TEST. REMOVED AND REPLACED THE POWER SUPPLY M33404 IAW AMM 31-51-06.