# SDR SWAA2026072790900

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2026
- Submitted: July 31, 2026
- Operation: Air carrier
- Aircraft: [N8579Z](https://openairdocs.org/aircraft/N8579Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63591
- Aircraft time: 26,783 hours, 13,861 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Cartridge
- Condition: Cracked
- Location: Zone 600 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/SWAA2026072790900

## Discrepancy

RIGHT WING OTBD AFT FLAP INBD CLOSURE RIB, THE CARTRIDGE HAS A CRACK ON THE UPPER INBOARD CORNER._HFEC VERIFIED.  REMOVED AND REPLACED RT OTBD AFT FLAP IAW AMM 27-51-22 02, INSPECTED PER AMM 27-51-22-401.

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