Service difficulty report · Switch · Boeing 777F1H

Difficulty date
May 19, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N793CK
Make and model
Boeing 777F1H
Aircraft serial
35608
Aircraft time
65,421 hours, 10,775 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

EMERGENCY LIGHT SWITCH WHEN FLUSH GOES TO OFF. CORRECTIVE ACTION: EMERGENCY LIGHT SWITCH GUARD MECHANISM REFITTED AND EMERGENCY LIGHT OPS TEST NML IAW B777 AMM 33-51-00.

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