Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
December 17, 2025
Submitted
December 29, 2025
Operation
Air carrier
Aircraft
N8511K
Make and model
Boeing 7378H4
Aircraft serial
36670
Aircraft time
29,651 hours, 14,931 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 EMERGENCY EXIT LIGHT INOP IN CABIN AT BS639. R&R BATTERY PACK FOR POWER SUPPLY M1670 IAW AMM 33-51-06. OPS CHECK GOOD.

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