# SDR ASAA2026011264385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2026
- Submitted: February 18, 2026
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 69,843 hours, 21,345 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Sidewall Support
- Part number: 143A9405231
- Condition: Corroded
- Location: Zone 100
- 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/ASAA2026011264385

## Discrepancy

REMOVED CORROSION FOUND TO BE OUT OF LIMITS, REPAIRED FLOOR BEAM IAW B737-800 SRM 53-70-51-2R-0W: 1" O: .150 R: .073 L: 1.5" D: .077. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED IAW B737-800 SRM 51-40-02-0G AND 53-00-07-1A-1W= 1" O= .050" R=.030" L= 3" D= .020".

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