# SDR AALA202602279720

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 25, 2026
- Submitted: February 27, 2026
- Operation: Air carrier
- Aircraft: [N447AN](https://openairdocs.org/aircraft/N447AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10705
- Aircraft time: 16,212 hours, 4,396 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Cids
- Part number: Z014H010035B
- Part serial: 014H01017821
- Condition: Defective
- Location: Zone 200
- Part time: 13,244 hours, 3,657 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202602279720

## Discrepancy

AIRCRAFT WAS GROUNDED: ALL EXIT LIGHTS ARE ILLUMINATED, NOT ABLE TO TURN THEM OFF. MAINTENANCE REPLACED THE #1 CIDS DIRECTOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 23-73-34.

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