# SDR SWAA2026071302952

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 2026
- Submitted: July 14, 2026
- Operation: Air carrier
- Aircraft: [N8705Q](https://openairdocs.org/aircraft/N8705Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42558
- Aircraft time: 21,339 hours, 9,887 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- 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/SWAA2026071302952

## Discrepancy

FWD WET AREA FLOORBEAM BS 328, RBL 40, AFT FLANGE CORROSION ON UPPER SURFACE ADJACENT TO RIVET HEAD. BLENDED CORROSION ON UPPER CHORD; AFT FLANGE OF THE TRANSVERSE FLOORBEAM AT BS 328, RBL 40 IAW SRM 51-10-02.  REMOVED .027 OF MATERIAL. REMAINING THICKNESS IS .098.  DAMAGE REMOVAL IS OUT OF LIMITS IAW SRM 53-10-51-1A-1.  REMOVED CORROSION ON UPPER CHORD; AFT FLANGE OF THE TRANSVERSE FLOOR BEAM AT STA. 328; RBL 40' PER SRM 51-10-02. REMOVED .027' OF MATERIAL. REMAINING THICKNESS IS .098'. DAMAGE REMOVAL IS OUT OF LIMITS PER SRM 53-10-51-1A-1.  WORK C/W EA 26-153-01365-WIP1 AND WIP2.

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