# SDR SWAA2023110616423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 31, 2023
- Submitted: November 6, 2023
- Operation: Air carrier
- Aircraft: [N8610A](https://openairdocs.org/aircraft/N8610A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36635
- Aircraft time: 36,741 hours, 17,137 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Winglet
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 500 Left Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023110616423

## Discrepancy

UPON REMOVAL OF LH WING VENTRAL STRAKE FOUND WINGLET CRACKED IN 2 PLACES UNDER STRAKE MOUNTING POINT APPROX 10 FROM AFT EDGE<[01] REMOVED LH WINGLET IAW AMM 57-21-21;[02] INSTALLED LH WINGLET IAW AMM 57-21-21;[03] C/W EA 23-157-03232

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.