# SDR UIEA2020081321678

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 10, 2020
- Submitted: August 13, 2020
- Operation: Air carrier
- Aircraft: [N486MC](https://openairdocs.org/aircraft/N486MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30608
- Aircraft time: 87,779 hours, 15,938 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Cracked
- Location: Bs 1200
- 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/UIEA2020081321678

## Discrepancy

M/D BS 1200 RBL 98 TO 125 BELOW FLOOR INTERCOSTAL WEB FOUND CRACKED.  REPAIR IAW SRM 53-40-51-2R-9, REPAIR 9, AND RI-53-40-14131, REV A.

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