# SDR AALA202304038838

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2023
- Submitted: April 3, 2023
- Operation: Air carrier
- Aircraft: [N105NN](https://openairdocs.org/aircraft/N105NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5904
- Aircraft time: 31,487 hours, 6,449 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: NH252162
- Part serial: L416829
- Condition: Cracked
- Location: Zone 200 - Fuse
- Part time: 8,887 hours, 1,832 cycles
- Stage of operation: NR
- 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/AALA202304038838

## Discrepancy

AIRCRAFT WAS GROUNDED: FIRST OFFICERS SIDE SLIDING WINDOW APPEARS TO HAVE A CRACK AT THE VERY TOP. REPLACED SLIDING WINDOW PER TASK CARD 22L21156001.

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