Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
July 26, 2026
Submitted
July 28, 2026
Operation
Air carrier
Aircraft
N8329B
Make and model
Boeing 7378H4
Aircraft serial
37006
Aircraft time
44,512 hours, 21,170 cycles
Part
Power Supply
Condition
Faulted
Location
Zone 200
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

OVERWING EMERGENCY LIGHTS ON LEFT SIDE DOOR STAYS ILLUMINATED IN ARM POSITION. REMOVED AND REPLACED M1694 LT OVERWING EGRESS LIGHT BATTERY AND POWER SUPPLY IAW M/M 33-51-06

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