SDR CALA2024120501414

Service difficulty report · Lock · Boeing 777222

Difficulty date: December 2, 2024
Submitted: December 5, 2024
Operation: Air carrier
Aircraft: N215UA
Make and model: Boeing 777222
Aircraft serial: 30221
Aircraft time: 80,236 hours, 17,032 cycles
System (JASC): 5270 · Door Warning System
Part: Lock
Condition: Faulted
Location: L4 Door
Stage of operation: UK
How discovered: O
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 4L EICAS STATUS #4 LEFT PASSENGER ENTRY DOOR FLIGHT LOCK COMMAND/FLT LK RLY/SENS OR DISAGREEMENT. FOUND MAINT MSG 52-11340, 52-12250 NOT ACTIVE, DOOR 4L MSG LATCHED. GVI'ED DOOR 4L, FOUND NO DISCREPENCIES. RAN FLIGHT LOCK CONTROL TEST. TEST PASSED, MSG CLEARED, OPS CHECK GOOD. REF FIM 52-11 TASK 805