Service difficulty report · Power Supply · Boeing 7378H4

Difficulty date
February 13, 2026
Submitted
February 16, 2026
Operation
Air carrier
Aircraft
N8563Z
Make and model
Boeing 7378H4
Aircraft serial
64172
Aircraft time
26,596 hours, 13,621 cycles
Part
Power Supply
Condition
Intermittent
Location
Zone 200
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT AFT OVERWING EXIT SIGN LIGHTS AND CEILING EGRESS LIGHTS NEAR OVERWING EXIT ON CAPTAINS SIDE ILLUMINATED INTERMITTENTLY IN FLIGHT. R & R THE POWER SUPPLY, OPS CHECKED GOOD IAW AMM 33-51-06.

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