# SDR FOTR20180425004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2018
- Submitted: April 25, 2018
- Operation: Air carrier
- Aircraft: N480VX
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 25773
- Aircraft time: 47,187 hours, 31,934 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BAC1518399
- Condition: Corroded
- Location: Bs 967
- Part time: 47,187 hours, 31,934 cycles
- 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/FOTR20180425004

## Discrepancy

MAIN CABIN FLOORBEAM BS 967 UPPER FLANGE, UPPER SURFACE FOUND CORRODED 5 SQUARE INHCES, LBL 18, 30, 42, AND 48.

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