Service difficulty report · Power Supply · Boeing 7378K5

Difficulty date
September 11, 2024
Submitted
September 12, 2024
Operation
Air carrier
Aircraft
N851SY
Make and model
Boeing 7378K5
Aircraft serial
37256
Aircraft time
35,765 hours, 11,538 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

TWO EXTERIOR EMERGENCY LIGHTS ON LEFT EXTERIOR ARE INOPERATIVE. ONE IN THE VICINITY OF THE OVERWING EXITS, THE OTHER AT THE TRAILING EDGE WING ROOT. TWO INTERIOR EMERGENCY LIGHTS ARE INOPERATIVE AMIDSHIP ON LEFT AISLE HEAD LINER. REMOVED AND REPLACED POWER SUPPLY AND BATTERY PACK BETWEEN 19ABC AND 20ABC IAW AMM 33-51-06. OPS CHECK GOOD.

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