# SDR DALA2025102707840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N873DN](https://openairdocs.org/aircraft/N873DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31984
- Aircraft time: 27,562 hours, 10,830 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/DALA2025102707840

## Discrepancy

(LOG 1262803) STA 947 FLOOR BEAM HAS CORROSION UNDER LAV FITTINGS AT LBL24 AND LBL 48. REPAIRED FLOOR BEAM STA 947 AT LBL24 AND LBL48 AS PER REF B737-900 SRM 53-70-51-2R.

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