What was found
AIRCRAFT WAS NOT GROUNDED: YELLOW GUST LOCK SWITCH ON FORWARD ENTRY DOOR WILL NOT RELEASE. UNABLE TO CLOSE FORWARD ENTRY DOOR. LUBED LEVER GUIDE ARM HOLD OPEN MECHANISM AND OPERATES EASILY. PER FIM 52-10-00.
- Difficulty date
- December 14, 2025
- Submitted
- December 16, 2025
- Operation
- Air carrier
- Aircraft
- N878NN
- Make and model
- Boeing 737823
- Aircraft serial
- 40768
- Aircraft time
- 41,847 hours, 18,076 cycles
- System (JASC)
- 5210 · Passenger/Crew Doors
- Part
- Guide Arm
- Condition
- Lack Of Lube
- Location
- Zone 800
- 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.