Service difficulty report · Circuit Breaker · Boeing 73779P

Difficulty date
February 16, 2020
Submitted
February 19, 2020
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
45,651 hours, 31,158 cycles
Part
Circuit Breaker
Condition
Faulty
Location
Emergency Lights
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

DURING EMERGENCY LIGHT OPS CHECK WHEN P5 PANEL SWITCH IS PLACED IN THE ARM POSITION FRONT HALF OF EMERGENCY LIGHTS CAME ALL LIGHTS COME ON WITH SWITCH IN THE ON POSITION. / RESET CIRCUIT BREAKERS. PERFORMED EMERGENCY LIGHTING CHECK AND FOUND PASSENGER CABIN AREA EMERGENCY LIGHT AT 8DEF TO BE INOP. REMOVED AND REPLACED LAMP AT AREA LIGHT 8DEF.

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