What was found
DOOR 4R DISARMED ITSELF ON DESCENT INTO KBOS - INDICATION LIGHT NEVER CAME BACK ON. MAINTENANCE REMOVED AND REPLACED ARM HANDLE PROXIMITY SWITCH (7WN2) IAW AIRBUS MAINTENANCE MANUAL 52-73-11-400-002-A.
- Difficulty date
- January 4, 2013
- Submitted
- January 8, 2013
- Operation
- Air carrier
- Aircraft
- N188US
- Make and model
- Airbus A321211
- Aircraft serial
- 1724
- Aircraft time
- 37,601 hours, 13,621 cycles
- System (JASC)
- 5270 · Door Warning System
- Part
- Proximity Switch
- Part number
- DHE1141
- Condition
- Defective
- Location
- R4 Door
- Stage of operation
- DE
- 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.