# SDR AALA2018112109026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2018
- Submitted: November 21, 2018
- Operation: Air carrier
- Aircraft: [N121UW](https://openairdocs.org/aircraft/N121UW), registered now
- Make and model: Airbus A320-214
- Registry model: [Airbus A320-214](https://openairdocs.org/model/airbus-a320-214) (OpenAirDocs)
- Aircraft serial: 1294
- Aircraft time: 54,722 hours, 25,826 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Part number: D5348004320601
- 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/AALA2018112109026

## Discrepancy

CORROSION FOUND ON THE LOWER SILL,  FRAMES 66 TO 68, STRINGER 23L.  REPLACED THE SILL IAW SRM 51-72-11, AND DRAWING D53480505.

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