# SDR AALA202603243831

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2026
- Submitted: March 24, 2026
- Operation: Air carrier
- Aircraft: [N798AN](https://openairdocs.org/aircraft/N798AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 30797
- Aircraft time: 94,435 hours, 12,342 cycles
- System (JASC): [5610 · Flight Compartment Windows](https://openairdocs.org/jasc/5610)
- Part: Sliding Window
- Part number: 141T483534
- Condition: Leaking
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202603243831

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CLIMBING THROUGH APPROXIMATELY 19,000' FIRST OFFICER SIDE WINDOW BEGAN TO HAVE AN EXTREMELY LOUD LEAK AND SQUEAL, THE DECIBEL LEVEL WAS EXTREME. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT CLT. REMOVED AND REPLACED FIRST OFFICER NUMBER 2 WINDOW. PER AMM 56-11-63. LEAK CHECK GOOD.

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