# SDR ASAA2026072268161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: August 25, 2026
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 56,205 hours, 16,944 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A54301
- 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/ASAA2026072268161

## Discrepancy

AFT WET AREA FLOOR SUPPORT STRUCTURE IS CORRODED BETWEEN STA 927-947 LBL 20. GROUNDED - YES. REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT STRUCTURE BETWEET STA 927-947 LBL 20, IAW B737-800 SRM 51-40-02-0G-0, STEPS: 4.B & 7.C. W= 2" O= .084" R= .058" L1" D= .026".

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