Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
May 17, 2026
Submitted
May 21, 2026
Operation
Air carrier
Aircraft
N8674B
Make and model
Boeing 7378H4
Aircraft serial
36734
Aircraft time
34,834 hours, 17,217 cycles
Part
Power Supply
Condition
Inoperative
Location
Zone 200
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

LEFT OVERWING EMERGENCY EXIT LIGHTS WILL NOT ILLUMINATE. R & R LT OVERWING EMERGENCY EXIT LIGHT POWER SUPPLY AND BATTERY PACK IAW 33-51-06.

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