# SDR ASAA2026042266210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2026
- Submitted: May 21, 2026
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 38,179 hours, 11,725 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 143A524063143A52
- 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/ASAA2026042266210

## Discrepancy

CRACKS FOUND UNDER CENTER FLOOR STRUCTURE AT STATION 520. GROUNDED - YES. REMOVED AND REPLACED 2EA FLOOR SUPPORTS IAW B737-900 ER SRM 51-40-02-OG-O.

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