Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
October 10, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N8642E
Make and model
Boeing 7378H4
Aircraft serial
42525
Aircraft time
31,074 hours, 14,735 cycles
Part
Power Supply
Part number
UNKNOWN
Condition
Inoperative
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
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

L/H FWD EMERGENCY EXIT LIGHTS INOP<[01] REMOVED AND REPLACED BATTERY PACK AND POWER SUPPLY AT L/H FWD CEILING AND BATTERY PACK AT 8 ABC AIR GRILLE LOCATIONS; PER AMM 33-51-06. EMERGENCY EXIT LIGHTS OP?S CHECK GOOD.

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