# SDR ASAA2025120963575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2025
- Submitted: January 7, 2026
- Operation: Air carrier
- Aircraft: [N273AK](https://openairdocs.org/aircraft/N273AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 61554
- Aircraft time: 29,646 hours, 9,589 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 143A524063
- Condition: Cracked
- 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/ASAA2025120963575

## Discrepancy

AT PASSENGER COMPARTMENT CENTER BOX BS 540 FLOORBEAM AT LBL.0 CRACKED (MARKED). GROUNDED - YES. REMOVED AND REPLACED FLOORBEAM IAW SRM 51-40-02-0G-0.

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