# SDR CALA2025110410901

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2025
- Submitted: November 4, 2025
- Operation: Air carrier
- Aircraft: [N24979](https://openairdocs.org/aircraft/N24979), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 66141
- Aircraft time: 26,766 hours, 2,608 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- 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/CALA2025110410901

## Discrepancy

RAPID LOUD KNOCKING AT DOOR 1L AFTER TAKEOFF PRESSRZTN REMAINED STEAD NO DAMAGE FOUND AROUND L1 DOOR. VISUAL CONDITION CK OK. REF SRM: B787-A-52-10-01-01A-041B-A, B787-A-53-10-01-02A-661A-A.

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