Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
October 12, 2025
Submitted
October 15, 2025
Operation
Air carrier
Aircraft
N8649A
Make and model
Boeing 7378H4
Aircraft serial
42527
Aircraft time
37,224 hours, 18,224 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

M1694 & M1695 EMERGENCY LIGHT POWER SUPPLY AND BATTERY PACKS INOPERATIVE. R & R M1694 & M1695 POWER SUPPLIES AND ASSOCIATED BATTERY PACKS IAW MM 33-51-06. OPS CHECKED GOOD.

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