# SDR AALA202602020007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2026
- Submitted: February 2, 2026
- Operation: Air carrier
- Aircraft: [N427AN](https://openairdocs.org/aircraft/N427AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10235
- Aircraft time: 19,837 hours, 5,470 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: NH252162
- Part serial: L519314
- Condition: Crazed
- Location: Zone 200
- Part time: 19,837 hours, 5,470 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/AALA202602020007

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT DECK RIGHT HAND SLIDING WINDOW CRAZED RESULTING IN A REDUCTION OF VISIBILITY. MAINTENANCE REPLACED THE SLIDING WINDOW PER TASK CARD 26L21156001.

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