Service difficulty report · Actuator · Boeing 777222

Difficulty date
November 22, 2025
Submitted
November 26, 2025
Operation
Air carrier
Aircraft
N222UA
Make and model
Boeing 777222
Aircraft serial
30553
Aircraft time
90,874 hours, 12,065 cycles
Part
Actuator
Part number
933D1001
Part serial
3480
Condition
Faulted
Location
Zone 800
Part time
784,560 hours, 710,807 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
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 STATUS MESSAGE DUE TO HISTORY, COMPLIED WITH *DM* REF. MX FAULT MSG 52-11330 FIM 52-11 TASK 806 FOR FAULT ISOLATION, REPEAT WRITE-UP, AFTER FAULT ISOLATION, REMOVED AND REPLACED DOOR LOCK ACTUATOR IAW AMM 52-11-26-400-801 OPS TEST GOOD.