# SDR AALA202412194327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2024
- Submitted: December 19, 2024
- Operation: Air carrier
- Aircraft: [N840AN](https://openairdocs.org/aircraft/N840AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40656
- Aircraft time: 23,551 hours, 2,924 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door
- Condition: Unknown
- Location: Zone 800
- 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/AALA202412194327

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: CLIMBING PAST 22,000 LOUD BANG ON 1L DOOR FOLLOWED BY HIGH FREQ VIBRATION AND LOUD BUZZING SOUND DOOR APPEARED TO NOT BE FLUSHED AND APPEAR TO LOOK DIFFERENT THAN THE 2R DOOR; AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW.   ACCOMPLISHED L1 DOOR SEAL INSPECTION IAW AMM 52-09-01. NO DEFECTS NOTED. ACCOMPLISHED AMM 52-11-00-039-280A, NO DEFECTS NOTED. ACCOMPLISHED AARD 52-09-01 REPAIR 2, ACCOMPLISHED PASSENGER ENTRY DOOR LEAK TEST. PER AMM 52-11-00, NO LEAKS NOTED.

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