# SDR UIEA2021080601734

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N475MC](https://openairdocs.org/aircraft/N475MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29252
- Aircraft time: 88,819 hours, 16,665 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 65B270851
- Part serial: NSN
- Condition: Corroded
- Location: Bs 2222-2230
- 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/UIEA2021080601734

## Discrepancy

CORROSION - M/D CARGO FLOOR BEAM STRUCTURE SUPPORT CORROSION AT STA 2222 TO STA 2230 RBL 65(<P>REMOVE DAMAGED PART IAW SRM 51-40-02 REV 91. INSTALL NEW PART IAW SRM 51-40-02 REV 91 AND DWG 65B38694 SHEET 7 REV -; 65B38694 SHEET 3 REV C; 65B38687 SHEET 14 REV B; 65B38687 SHEET 10 REV D. JOB COMPLETED AND CONDITION CHECK NORMAL</P>)

---
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.