# SDR CALA2026052816583

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2026
- Submitted: May 28, 2026
- Operation: Air carrier
- Aircraft: [N73256](https://openairdocs.org/aircraft/N73256), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30611
- Aircraft time: 77,217 hours, 29,159 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 141A550425
- 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/CALA2026052816583

## Discrepancy

CORROSION IN VARIOUS LOCATIONS ON TOP SIDE OF FLOORBEAM,  BS 328, RBL13, RBL21, RBL27, RBL 38, AND RBL46.  REMOVED CORRODED TEE SECTION FROM PREVIOUS REPAIR AT STA 328 BETWEEN RBL 2 AND RBL65, FABRICATED AND INSTALLED NEW TEE SECTION WITH SAME LENGHT AND SHAPE PER  SRM 53-10-51-2R-7 ALT. 2 FIG 205

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