# SDR ASOA02048

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2002
- Submitted: February 25, 2002
- Operation: Air carrier
- Aircraft: [N638AS](https://openairdocs.org/aircraft/N638AS), registered now
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120282
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Crossbeam
- Part number: 12004149001
- Condition: Corroded
- Location: Fuselage
- 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/ASOA02048

## Discrepancy

DURING C-CHECK INSPECTION IN BNA, THE LEFT CROSSBEAM AT FRAME 20 WAS FOUND CORRODED BETWEEN THE FLOOR SILL AND THE LEFT BUTT STRAP.  MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSSBEAM IAW SRM 51-40-02.  M)

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