# SDR JJBA20210616036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2021
- Submitted: June 25, 2021
- Operation: Air carrier
- Aircraft: [N31131](https://openairdocs.org/aircraft/N31131), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145705
- Aircraft time: 44,463 hours, 27,546 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Frms 45-53
- 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/JJBA20210616036

## Discrepancy

CF3, LH OMEGA BEAM LOWER FLANGE CORRODED FROM FR 45-46 TO 52-53. LH OMEGA BEAM LOWER FLANGE FROM FR 45-46 TO 52-53 IS OUT OF LIMIT. LH OMEGA BEAM FR 45-46 TO 52-53 REMOVED FOR REPLACEMENT. LH OMEGA BEAM CROSS BEAM O/B FR49 AND CROSS BEAM MIDDLE FR49-50 REMOVED FOR ACCESS. AT CF3 OMEGA BEAM FR45-46 TO 52-53 LH REPLACED . AT CF3 LH OMEGA BEAM CROSS BEAM O/B FR 49 AND CROSS BEAM MIDDLE FR 49-50 REINSTALLED

---
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.