# SDR SWAA2026083106833

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2026
- Submitted: September 1, 2026
- Operation: Air carrier
- Aircraft: [N8570W](https://openairdocs.org/aircraft/N8570W), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36952
- Aircraft time: 27,599 hours, 14,288 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Delaminated
- Location: Zone 500 Flap
- 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/SWAA2026083106833

## Discrepancy

L/H O/B AFT FLAP HAS AREA OF DELAMINATION ON UPPER SURFACE, 2" O/B OF I/B EDGE AND 2" FWD OF AFT EDGE. DELAMINATION AREA MEASURES 4.5" WIDE, 5" LONG, L/H O/B AFT FLAP HAS AREA OF DELAMINATION ON UPPER SURFACE 2" O/B OF I/B EDGE AND 2" FWD OF AFT EDGE. DELAMINATION AREA MEASURES 4.5" WIDE 5" LONG R/R L/H O/B AFT FLAP IAW AMM 27-51-22. VERIFIED R/R OF L/H O/B AFT FLAP IAW AMM 27-51-22.    OPS CK GOOD

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