# SDR AALA202102269019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2021
- Submitted: February 27, 2021
- Operation: Air carrier
- Aircraft: [N991NN](https://openairdocs.org/aircraft/N991NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31242
- Aircraft time: 13,568 hours, 5,516 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Part number: 141A48002
- Part serial: 7328
- Condition: Cracked
- Location: Zone 200 - Fuse
- Stage of operation: CR
- 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/AALA202102269019

## Discrepancy

AIRCRAFT WAS GROUNDED: R1 WINDOW OUTER PANE CRACKED IN CRUISE AT FL250. REPLACED R1 WINDOW WITH SERVICEABLE UNIT IAW WORKCARD 08L21056004.

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