# SDR AALA2020082439024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 7, 2020
- Submitted: August 24, 2020
- Operation: Air carrier
- Aircraft: [N123NN](https://openairdocs.org/aircraft/N123NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6256
- Aircraft time: 20,437 hours, 5,714 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Beam
- Condition: Corroded
- Location: Frame 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/AALA2020082439024

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION OF SILL BEAM AT R4 DOOR CUTOUT AT FR68 AND BL -Y1732, MEASURING L=1.1 IN, W=0.85 IN, D=0.071 IN. ACCOMPLISHED PERMANENT REINFORCING REPAIR WITH NESTED ANGLES IAW SRM 53-41-14-300-001 AND EA 307839.

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