Service difficulty report · Switch · Boeing 777224

Difficulty date
July 4, 2025
Submitted
July 7, 2025
Operation
Air carrier
Aircraft
N77022
Make and model
Boeing 777224
Aircraft serial
39777
Aircraft time
68,257 hours, 6,839 cycles
Part
Switch
Condition
Faulted
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

EMER LTS ON W/ SWITCH IN OFF POSITION OFF W/SWITCH IN ARMED ON ARRIVAL TO AIRCRAFT EMERGENCY LIGHTS FOUND OFF WITH THE FLIGHT DECK SWITCH ALSO IN THE OFF POSITION. EMERGENCY LIGHTS TEST CARRIED OUT IAW AMM 33-51-00-710-803 FROM FLIGHT DECK AND ALL CABIN LOCATIONS. ALL FOUND TO OPERATE CORRECTLY. MAT CHECKED AND NIL FAULTS FOUND. NIL STATUS OR EICAS MESSAGES DISPLAYED. OK FOR CONTINUED SERVICE.