# SDR CALA2026042415712

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2026
- Submitted: April 24, 2026
- Operation: Air carrier
- Aircraft: [N73270](https://openairdocs.org/aircraft/N73270), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31632
- Aircraft time: 75,425 hours, 26,578 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55048
- 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/CALA2026042415712

## Discrepancy

CORROSION - AFT WET AREA FLOOR BEAM STA 947.5 UPPER T CHORD UPPER SURFACE WITH CORROSION AT RBL 50.  AFT WET AREA FLOOR BEAM AT STA 947.5 RBL 50, ACCOMPLISHED REPAIR AT FLOOR BEAM AT STA 947.5 RBL 50 IN REF TO B737-800 SRM-53-70-51-2R-5, SRM 51-40-02-0G-0 & DWG 147A5650, NO DIP REQUIRED.

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