What was found
R1 DOOR ARMED LIGHT DOES NOT EXTINGUISH WHEN DOOR IS CLOSED AND ARMED. REPLACED DOOR INTERLOCK SWITCH (S1-1091) IAW AMM 52-11-02-830-805. NO ADJUSTMENTS NEEDED SYS OPERATES NORMAL.
- Difficulty date
- February 12, 2019
- Submitted
- February 13, 2019
- Operation
- Air carrier
- Aircraft
- N278UP
- Make and model
- Doug MD11F
- Aircraft serial
- 48577
- Aircraft time
- 70,342 hours, 12,902 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Switch
- Condition
- Malfunctioned
- Location
- L1 Door Interloc
- Stage of operation
- IN
- 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.