Service difficulty report · Guard · Boeing 777223

Difficulty date
January 27, 2019
Submitted
January 29, 2019
Operation
Air carrier
Aircraft
N780AN
Make and model
Boeing 777223
Aircraft serial
29956
Aircraft time
74,127 hours, 9,310 cycles
Part
Guard
Condition
Disconnected
Location
Cockpit
Stage of operation
NR
How discovered
O
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

AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT SWITCH ON FLIGHT DECK OVERHEAD PANEL, WHEN CLOSED, FAILED TO ARM SWITCH. MAINTENANCE RE-CONNECTED FLIGHT DECK OVERHEAD EMERGENCY LIGHT SWITCH GUARD SPRING AND PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-00-710-803.