# SDR ASOA02411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2002
- Submitted: September 18, 2002
- Operation: Air carrier
- Aircraft: N639AS
- Make and model: Emb EMB-120ER
- Registry model: [EMB EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (OpenAirDocs)
- Aircraft serial: 120283
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 12006173009
- 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/ASOA02411

## Discrepancy

DURING C-CHECK INSPECTION IN BNA, CORROSION WAS FOUND OUT OF LIMITS ON STRINGER 18 LEFT BETWEEN FRAMES 13A AND 15A.  MAINTENANCE REMOVED AND REPLACED THE CORRODED STRINGER SECTION IAW SRM'S 51-25-00 AND 51-40-02.  (M)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.