# SDR SWAA2026081956254

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2026
- Submitted: August 20, 2026
- Operation: Air carrier
- Aircraft: [N8706W](https://openairdocs.org/aircraft/N8706W), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42559
- Aircraft time: 22,122 hours, 10,105 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/SWAA2026081956254

## Discrepancy

BS 947 FLOORBEAM HAS PITTING AND CORROSION AT RBL 51. REMOVED CORROSION ON THE FLOORBEAM UPPER TEE,  MEASURED CORROSION REMOVAL TO BE 0.070" DEEP REMAINING THICKNESS IS 0.110" (ORIGINAL THICKNESS IS 0.180") THE FLOORBEAM UPPER TEE OUT OF LIMITS IAW SRM 53-70-51-1A-1. RII INSPECTED REMOVAL OF FLOOR BEAM "T" CHORD AT STA. 947 RBL 64 TO LBL 64. PERFORMED DETAILED VISUAL INSPECTION OF THE CUT EDGE IAW SRM 53-70-51-2R-5. NO DEFECTS NOTED. TREATED & PRIMED CUT EDGES OF FLOORBEAM PER SRM 53-70-51-2R-5. RII INSPECTED AS REQUIRED CORRECTIVE ACTION #3 APPLIED FILLET SEAL AND FILLED ALL INTERNAL GAPS TO REPAIR AREAS IAW SRM 53-70-51-2R-5.

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