Service difficulty report · Warning Message · Boeing 777224

Difficulty date
August 4, 2025
Submitted
August 7, 2025
Operation
Air carrier
Aircraft
N78008
Make and model
Boeing 777224
Aircraft serial
29478
Aircraft time
121,316 hours, 12,557 cycles
Part
Warning Message
Condition
False Activation
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
N
Precautionary procedure
K

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

What was found

DOOR FLIGHT LOCK 3R EICAS STATUS NR 3 RIGHT PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LK RLY/SEN SOR DISAGREEMENT. FOLLOWED FIM 52-11 TASK 806. PERFORMED FLIGHT LOCK OPS TEST SEVERAL TIMES, LOCK ENGAGES NORMALLY. MAINTENANCE MESSAGE DOES NOT SHOW. CLEANED ASSOCIATED PROXIMITY SENSORS AS PRECAUTIONARY. OK FOR SERVICE AT THIS TIME.