# SDR AALA202410257483

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2024
- Submitted: October 25, 2024
- Operation: Air carrier
- Aircraft: [N921AN](https://openairdocs.org/aircraft/N921AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29522
- Aircraft time: 67,397 hours, 27,934 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Window
- Condition: Undertorqued
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: W
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202410257483

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CLIMBING THROUGH FL 220, NOTICED WIRE AND STRING FLAPPING UP AGAINST CAPTAIN BOTTOM OF SIDE WINDOW. AT ABOUT 24,500 LOUD SQUEAL STARTED COMING FROM WINDOW AREA; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT ORD. RETORQUED AND REAPPLIED AERODYNAMIC SEALANT TO CAPTAINS L1 WINDOW. PER AMM 56-11-11 AND PERFORMED PRESSURE LEAK TEST OF CAPAINS L1 WINDOW, PER AMM 05-51-91.

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