# SDR JJBA20210629008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2021
- Submitted: July 15, 2021
- Operation: Air carrier
- Aircraft: [N21129](https://openairdocs.org/aircraft/N21129), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145703
- Aircraft time: 44,165 hours, 27,437 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Doubler
- Condition: Corroded
- 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/JJBA20210629008

## Discrepancy

CF 1 ON RH FUSE BTW FR 19-20 SILL ASSEMBLY FWD AND DOUBLER SILL AFT CORRODED. CF1 ON RH FUSE BTW FR 19-20 SILL ASSY FWD CORROSION REMOVED WITHIN LIMITS AND REPROTECTED. LESS THAN .001" REMOVED. DVI INSP C/OUT WITH MAGN GLASS 30X NO FAULT FOUND. CF1 RH SILL AFT BTW FR 19-20 PREVIOUS REPAIR DOUBLER CORROSION REMOVED OUT OF LIMITS, NEW REPAIR DOUBLER FABRICATED. CF1 ON RH FUSE BTW FR 19-20 SILL ASSY FWD DOUBLER SILL AFT INSTALLED

---
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.
