# SDR AALA2018121109049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2018
- Submitted: December 11, 2018
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 20,110 hours, 7,992 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: D5348004320701
- Condition: Corroded
- Location: Frames 66-68
- 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/AALA2018121109049

## Discrepancy

CORROSION FOUND ON THE LOWER SILL BETWEEN FRAMES 66 - 68, STRINGER 23R,  IN THE AFT GALLEY.  REPLACED THE LOWER SILL IAW SRM 51-72-11, AND DRAWING D53480505.

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