Service difficulty report · Circuit Breaker · Boeing 7378H4

Difficulty date
September 14, 2025
Submitted
October 20, 2025
Operation
Air carrier
Aircraft
N8619F
Make and model
Boeing 7378H4
Aircraft serial
33939
Aircraft time
40,353 hours, 19,330 cycles
Part
Circuit Breaker
Condition
Broken
Location
Zone 200
Stage of operation
IN
How discovered
V
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

BROKEN CIRCUIT BREAKER ON POSITION A9 PANEL P6-11 CABIN EMERGENCY LIGHTS AT FLIGHT COMPARTMENT. REMOVED AND REPLACED CIRCUIT BREAKER ON POSITION A9 PANEL P6-11 CABIN EMERGENCY LIGHTS AT FLIGHT COMPARTMENT IAW WDM 33-51-11 AND SWPM 20-83-11 AND PERFORMED OPERATIONAL TEST IAW AMM 33-51-00-720-801<BR>TEST IS OK.

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