# SDR AALA2018092079057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2018
- Submitted: September 20, 2018
- Operation: Air carrier
- Aircraft: [N561UW](https://openairdocs.org/aircraft/N561UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5317
- Aircraft time: 20,176 hours, 8,016 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: D5348004800104
- Condition: Corroded
- Location: Frames 64-70
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018092079057

## Discrepancy

CORROSION FOUND ON THE R4 DOOR THRESHOLD SCUFF PLATE ATTACHMENT CHANNEL.  REPLACED THE CHANNEL IAW SRM 51-42-11

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