# SDR SWAA2026090142229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2026
- Submitted: September 2, 2026
- Operation: Air carrier
- Aircraft: [N8546V](https://openairdocs.org/aircraft/N8546V), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63574
- Aircraft time: 29,792 hours, 15,138 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Stringer
- Condition: Cracked
- Location: Zone 100
- 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/SWAA2026090142229

## Discrepancy

STRINGER18AL BS 727 UPPER FASTENER HOLE COMMON TO INNER CHORD INDICATES A CRACK DEFECT IN STR.18A PER BOEING NDT MANUAL PART6, 51-00-00 PROC.16. L/H STR.18A STA.727 UPPER FASTENER HOLE COMMON TO INNER CHORD INDICATES A CRACK DEFECT IN STR.18A PER BOEING NDT MANUAL PART6 51-00-00 PROC.16. DEFECT WAS FOUND. TO BE IN THE. OUTER MOST FITTING PART #144A7321-5 WHICH HAS BEEN REPLACED ON 26-153-02116-WIP2 TTG8Q01DQ38A C/W INSPECTION

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