Service difficulty report · Lock · Boeing 777222

Difficulty date
August 13, 2025
Submitted
August 14, 2025
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
110,400 hours, 14,267 cycles
Part
Lock
Condition
Malfunctioned
Location
Zone 800
Stage of operation
IN
How discovered
O
Nature of condition
J
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 1L EICAS STATUS L1 PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LK RLY/SENS OR DISAGREEMENT. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 5211280. PSEU 2 (R2) REF FIM 52-11 TASK 809, MX MSG SHOWS NOT ACTIVE/LATCHED ON ARRIVAL, INTERMITENT FAULT. OK TO CONTINUE SERVICE.