# SDR ASAA2026092569396

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2026
- Submitted: October 30, 2026
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 31,728 hours, 9,424 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Floor Support
- Part number: 147A5702
- 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/ASAA2026092569396

## Discrepancy

AFT WET AREA INTERCOSTAL STA 947 TO STA 967 LBL 50 CORRODED GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-70-51-1A-1. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02-0G-0. W:2" O:0.087" R:0.050" L:2" D:0.037"

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