What was found
AIRCRAFT WAS NOT GROUNDED: CIDS CAUTION LIGHT AND EVACUATION LIGHTS ON CIDS PANEL ARE ILLUMINATED. MAINTENANCE FOUND FAULTED DEU-B 300RH01, REPLACED DEU-B 300RH01 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 23-73-47.
- Difficulty date
- December 19, 2025
- Submitted
- December 22, 2025
- Operation
- Air carrier
- Aircraft
- N186US
- Make and model
- Airbus A321211
- Aircraft serial
- 1701
- Aircraft time
- 76,279 hours, 29,782 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Deu
- Part number
- Z040H000820A
- Part serial
- 040H00008933
- Condition
- Fault Message
- Location
- Zone 200
- Part time
- 72,710 hours, 27,361 cycles
- Stage of operation
- NR
- 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.