Service difficulty report · Power Supply · Boeing 777223

Difficulty date
May 23, 2022
Submitted
May 24, 2022
Operation
Air carrier
Aircraft
N785AN
Make and model
Boeing 777223
Aircraft serial
30005
Aircraft time
80,968 hours, 10,069 cycles
Part
Power Supply
Part number
D71702001
Condition
Inoperative
Location
Zone 200 - Fuse
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 NOT GROUNDED: LEFT HAND EMERGENCY AREA LIGHT MAIN AISLE BETWEEN ROW 21 TO ROW 29 INOPERATIVE. REPLACED POWER SUPPLY ASSEMBLY M33405 (AALA202205244594) AND POWER SUPPLY ASSEMBLY M33400 (AALA202205241246) PER AMM 33-51-06. ACCOMPLISHED SATISFACTORY EMERGENCY LIGHT OPERATIONAL TEST PER AMM 33-51-00.