# SDR DALA2020111803774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2020
- Submitted: November 18, 2020
- Operation: Air carrier
- Aircraft: [N303DN](https://openairdocs.org/aircraft/N303DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7061
- Aircraft time: 12,711 hours, 6,786 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Seal Depressor
- Condition: Corroded
- Location: Frame 55
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020111803774

## Discrepancy

DURING MX CHECK FOUND CORROSION AT AFT CARGO DOOR LOWER SILL DEPRESSOR, FRAME 55.  CORRECTIVE ACTION: REMOVED CORROSION ON DEPRESSOR AT FRAME 55.  REMOVED SEAL DEPPRESSOR SECTION; DVI COMPLETED, NO FURTHER DAMAGE NOTED.  MATCH DRILLED NEW SEAL DEPRESSOR, PER AIRBUS DRAWING.  INSTALLED NEW SEAL DEPRESSOR, PER AIRBUS DRAWING, SEALED AREA.

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