# SDR ASAA2026072267938

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N531AS](https://openairdocs.org/aircraft/N531AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35199
- Aircraft time: 49,578 hours, 14,568 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 147A56761
- 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/ASAA2026072267938

## Discrepancy

AFT WET AREA FLOOR SUPPORT STRUCTURE IS CORRODED BETWEEN BS 947-967 LBL 20. GROUNDED - YES.  REMOVED AND REPLACED AFT WET AREA FLOOR SUPPORT STRUCTURE BETWEEN BS 947-967 LBL 20 IAW B737-800 SRM 51-40-02-0G-0, STEP 7.B & C.   W: 2" / O: .066" /R: .034" /L: 2" /D: .032".

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