Service difficulty report · Lock · Boeing 747446

Difficulty date
September 29, 2022
Submitted
September 30, 2022
Operation
Air carrier
Aircraft
N742CK
Make and model
Boeing 747446
Aircraft serial
24424
Aircraft time
113,652 hours, 23,951 cycles
Part
Lock
Condition
Out Of Position
Location
Cockpit Door
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DOOR UPPER DECK FLIGHT LOCK. CLEANED SWITCH CONTACT ON RIGHT UPPER DECK EMERGENCY HATCH AND RESEATED DOOR IN ACCORDANCE WITH BOEING 747 AMM 52-23-00 OPERATIONS CHECK GOOD MESSAGE CLEARED