Service difficulty report · Actuator · Boeing 777222

Difficulty date
May 25, 2025
Submitted
May 28, 2025
Operation
Air carrier
Aircraft
N798UA
Make and model
Boeing 777222
Aircraft serial
26928
Aircraft time
110,125 hours, 14,631 cycles
Part
Actuator
Part number
933D1001
Part serial
0195
Condition
Faulted
Location
Zone 800
Stage of operation
IN
How discovered
V
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 3L EICAS STATUS #3 LEFT PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LK RLY/SENS OR DISAGREEMENT. FIM TASK REF : FIM TASK REFERENCE NOT FOUND CMC MSG# 5211320 PSEU 2 (L2) LOCKED DUE TO BACK TO BACK DISCRE,UNLOCKING FOR FIX REMOVED AND REPLACED FLIGHT LOCK ACTUATOR ON L3 PASSENGER ENTRY DOOR, IAW, AMM, 52-11-26/201. AN OPERATIONS CHECK WAS CONDUCTED AND THE FLIGHT LOCK ACTUATOR OPERATED CORRECTLY AT THIS TIME.