Service difficulty report · Warning Message · Boeing 777222

Difficulty date
August 15, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
110,410 hours, 14,268 cycles
Part
Warning Message
Condition
False Activation
Location
Zone 800
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

DOOR FLIGHT LOCK 1L EICAS STATUS L1 DOOR FLIGHT LOCK COMMAND, FLT LK RLY/SENSOR DISAGREEMENT. A INTERMITTENCE CODE: H PH. TROUBLESHOT IAW FIM 52-11 TASK 805, FOR MMSG 52-11280, FAULT NOT ACTIVE, NO MAINTENANCE REQUIRED.