# SDR SWAA2019101637863

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2019
- Submitted: October 16, 2019
- Operation: Air carrier
- Aircraft: N720WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27854
- Aircraft time: 73,426 hours, 43,746 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A743444
- Condition: Corroded
- Location: Bs 260
- 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/SWAA2019101637863

## Discrepancy

SUBSTRUCTURE CORRODED AT BS. 260, BETWEEN LBL 4 TO RBL 10 ON UPPER SURFACE OF AFT CHORD.     / REPAIRED AFT CHORD IAW ER AND EA.

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