# SDR UIEA2011101900577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2011
- Submitted: October 19, 2011
- Operation: Air carrier
- Aircraft: [N493MC](https://openairdocs.org/aircraft/N493MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29254
- Aircraft time: 53,726 hours, 8,586 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floorboard
- Condition: Gouged
- Location: Bs 400
- 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/UIEA2011101900577

## Discrepancy

DURING WALKAROUND INSPECTION,  DAMAGE FOUND TO MAIN DECK FLOORBOARD BS 400 - RBL 60.0 GOUGED AND DELAMINATED.   GOUGED AREA MEASURES APPROX 4.5" X 4.5" DAMAGE IS BEYOND LIMITS IAW SRM 53-00-50, FIG 101.  REPAIRED IAW THE SRM 53-00-50, REPAIR 1.

---
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.
