# SDR CALA2026040715135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2026
- Submitted: April 7, 2026
- Operation: Air carrier
- Aircraft: [N73291](https://openairdocs.org/aircraft/N73291), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33454
- Aircraft time: 64,569 hours, 23,626 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A5504
- 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/CALA2026040715135

## Discrepancy

RIGHT WET AFT AREA FLOOR STRUCTURE BEAM CORRODED AROUND LAV. AFT HARD POINT AT BS 947.5  RBL 52. (REF AAR NR 100020943) ACCOMPLISHED FLOOR BEAM REPAIR AT STA 947.5 RBL 52 AS PER SRM 53-70-51-2R-5.

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