# SDR SWAA2026071600476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 13, 2026
- Submitted: July 17, 2026
- Operation: Air carrier
- Aircraft: [N930WN](https://openairdocs.org/aircraft/N930WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36636
- Aircraft time: 55,646 hours, 33,976 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Rib
- 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/SWAA2026071600476

## Discrepancy

CRACK INDICATION ON RT OTBD AFT FLAP INBOARD CLOSURE RIB RADIUS ZONE.CRACK LENGHT 0.250 IN APPROX. RIGHT WING. EVALUATED OTBD AFT FLAP INBD CLOSURE RIB (CARTRIDGE) RT WING AND NOT FOUND ALLOWABLE DAMAGE IAW SRM 57-53-02-1A-4 AND REPLACED OTBD AFT FLAP AT RT WING IAW AMM 27-51-26/401,  THE INSTALLATION IS DOCUMENTED ON TTG8Q01BR3XM.

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