# SDR CALA2026010212590

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2025
- Submitted: January 2, 2026
- Operation: Air carrier
- Aircraft: [N14237](https://openairdocs.org/aircraft/N14237), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28802
- Aircraft time: 80,115 hours, 29,985 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A565013
- 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/CALA2026010212590

## Discrepancy

MAIN CABIN AFT WET AREA BS 967 FLOORBEAM CORRODED ON UPPER SURFACE AROUND FASTENER HOLE AT RBL 45.  REMOVED CORROSION AT BS 967 FLOORBEAM ORIGINAL THICKNESS 0.125" MATERIAL LIMIT 0.107" REMOVED .058" MATERIAL .067" REMAINING MATERIAL WAS FOUND OUT OF LIMITS IAW EC/RA 5321-01330 PER SRM 51-10-02.  REPAIRED IAW REO-G25695 REV IR AND ECRA 5375-01017.  MAJOR REPAIR.

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