Service difficulty report · Light Sys · Bombdr BD1001A10

Difficulty date
October 18, 2026
Submitted
October 19, 2026
Operation
Air carrier
Aircraft
N786QS
Make and model
Bombdr BD1001A10
Aircraft serial
20590
Aircraft time
11,104 hours, 6,488 cycles
Part
Light Sys
Condition
Faulted
Location
Zone 200
Stage of operation
TX
How discovered
C
Nature of condition
L
Precautionary procedure
O

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

What was found

EMERGENCY LIGHTS ABOVE SEATS 2L AND 3R DO NOT ILLUMINAT WHEN THE EMER LTS SWITCH IS IN ON POSITION. LIGHTS DO OPERATE WITH NORMAL CABLTS SWITCH. REMOVED FWD EMERGENCY BATTERY POWER SUPPLY P/N OFF BR9767-001 S/N OFF C0926 AND INSTALLED NEW / FWD EMERGENCY BATTERY POWER SUPPLY P/N ON BR9767-001 S/N ON C3038. OPS CHECKS GOOD. NO FURTHER DISCREPANCIES NOTED AT THIS TIME. WORK PERFORMED IAW BOMBARDIER CHALLENGER 350 SMM 33-50-03