# SDR UIEA2017041400570

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2017
- Submitted: April 14, 2017
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- Aircraft time: 71,080 hours, 10,922 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Corroded
- Location: Bs 2380
- 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/UIEA2017041400570

## Discrepancy

FOUND A FLOOR SUPPORT CORRODED NEAR BS 2380, LBL 20.  REMOVED AND REPLACED THE FLOOR SUPPORT IAW SRM 51-40-02 REV.79,  DWG 65B38754 SH8 REV 1, AND SRM 51-40-02, REV 79.

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