# SDR SWAA2026052296857

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2026
- Submitted: May 23, 2026
- Operation: Air carrier
- Aircraft: [N8301J](https://openairdocs.org/aircraft/N8301J), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36980
- Aircraft time: 46,145 hours, 21,467 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Cartridge
- Condition: Cracked
- 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/SWAA2026052296857

## Discrepancy

CRACK INDICATION ON LT OTBD AFT FLAP INBOARD CARTRIDGE RADIUS ZONE.CRACK LENGHT 0.437 IN APPROX. LEFT WING.  REPLACED INBOARD CARTRIDGE RADIUS ON OTBD AFT FLAP LT WING IAW SOPM 20-50-03; IAW AMM 27-51-22-400-801 AND IAW SRM 51-40-02FOR CARTRIDGE ASSEMBLY INSTALLATION SEE TTG8Q01BR3R6,   LATE ENTRY: DRILLED NEW INBOARD CARTRIDGE RADIUS ON OTBD AFT FLAP LT WING IAW SRM 51-40-05-0G-0 AND DWG 113A3700, SHEET 17, REV A.

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