# SDR SIMA20240112002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2024
- Submitted: January 14, 2024
- Operation: Air carrier
- Aircraft: [N228NN](https://openairdocs.org/aircraft/N228NN), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000545
- Aircraft time: 19,514 hours, 12,993 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: V
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20240112002

## Discrepancy

LOUD VIBRATORY HOWLING COMING FROM LEFT FORWARD DOOR UPPER AREA.PRESSURIZATION INDICATIONS ALL NORMAL.STARTED DURING CLIMB AT ABOUT 270 KIAS.-C/A- PER CDL."M" PROCEDURE C/W.L1 DOOR DEFLECTOR DEACTIVATED.

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