Service difficulty report · Power Supply · Boeing 777223

Difficulty date
July 29, 2020
Submitted
July 30, 2020
Operation
Air carrier
Aircraft
N775AN
Make and model
Boeing 777223
Aircraft serial
29584
Aircraft time
85,634 hours, 10,402 cycles
Part
Power Supply
Part number
D71702001
Part serial
136260
Condition
Inoperative
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

AIRCRAFT WAS GROUNDED (SHORT TERM STORAGE): L3 DOOR EMERGENCY LIGHT POWER SUPPLY UNIT M33400 FAILED TEST. REPLACED DOOR 3L EMERGENCY LIGHT POWER SUPPLY ASSEMBLY PER 33-51-06.