Service difficulty report · Lock · Boeing 777222

Difficulty date
September 17, 2025
Submitted
September 19, 2025
Operation
Air carrier
Aircraft
N768UA
Make and model
Boeing 777222
Aircraft serial
26919
Aircraft time
106,341 hours, 19,950 cycles
Part
Lock
Condition
Faulted
Location
Zone 800
Stage of operation
NR
How discovered
O
Nature of condition
J
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 2L EICAS STATUS #2 LEFT PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LK RLY/SENS OR DISAGREEMENT. DB PSEU 2 (R2) DB PSEU 2 (L2) FOUND "PASSENGER ENTRY DOOR 2L ACTUATOR HAS A FAULT", MSGS 52-11300, 52-12080 AND 52-12090. VERIFIED ASSOCIATED PASSENGER DOOR CAN BE OPENED USING INTERIOR HANDLE PER MEL CARD 52010 MAINTENANCE PROCEDURE STEP A. TOMC APPROVED REF MEL 5211E DOOR FLIGHT LOCK 2L INOP, ITEM ON MEL. *DM* RECOMMEND FIM 52-11 TASK 805 FOR INITIAL T/S, REPLACEDD DOOR FLIGHT LOCK 2L STATUS LATCHED. REMOVED & REPLACED DOOR 2L FLIGHT LOCK ENGAGED PROX SENSOR (S52101) REF FIM 52-11 TASK 809 & AMM 52-71-01-000-801. PERFORMED DOOR INDICATION FUNCTIONAL TEST, PASSED. FAULT NOT ACTIVE.