What was found
EICAS DOOR U/D FLT LK ON CLIMB OUT, NO PRESSURIZATION ISSUES. INSTALLED R/H UPPER DECK DOOR FLIGHT LOCK ACTUATOR REF MM 52-23-08. PLACED AIRCRAFT IN AIR MODE REF MM 32-09-02, ACTUATOR OPS CHECK NORMAL REF MM 52-23-08.
- Difficulty date
- August 23, 2026
- Submitted
- September 2, 2026
- Operation
- Air carrier
- Aircraft
- N579UP
- Make and model
- Boeing 74745E
- Aircraft serial
- 26062
- Aircraft time
- 125,179 hours, 21,098 cycles
- System (JASC)
- 5250 · Fixed Inner Doors
- Part
- Actuator
- Part number
- 723D1009
- Part serial
- BN126276
- Condition
- Faulted
- Location
- Flight Lock
- Stage of operation
- CL
- 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.