# SDR SWAA2023031099019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 4, 2023
- Submitted: March 10, 2023
- Operation: Air carrier
- Aircraft: [N8524Z](https://openairdocs.org/aircraft/N8524Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36970
- Aircraft time: 20,203 hours, 9,817 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Web
- 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/SWAA2023031099019

## Discrepancy

AT LEFT WING TRAILING EDGE ABOVE THE #1 PYLON AFT TIP; THE O/B ATTACH ANGLE TO TRANSVERSE WEB IS CRACKED<[01] REMOVED O/B ATTACH ANGLE TO TRANSVERSE WEB AT LEFT WING TRAILING EDGE ABOVE #1 PYLON TIP PER SRM 51-40-02-0G-0.;[02] LOCATED AND DRILLED NEW O/B ATTACH ANGLE TO TRANSVERSE WEB AT LEFT WING TRAILING EDGE ABOVE #1 PYLON TIP PER SRM 51-40-05-0G-0 AND DWG 115A6200. OK TO INSTALL.;[03] VERIFIED CORRECTIVE ACTION 2.;[04] INSTALLED NEW O/B ATTACH ANGLE TO TRANSVERSE WEB AT LEFT WING TRAILING EDGE ABOVE #1 PYLON TIP PER SRM 51-40-05-0G-0 AND DWG 115A6200;[05] INSTALLED NEW O/B ATTACH ANGLE TO TRANSVERSE WEB AT LEFT WING TRAILING EDGE ABOVE #1 PYLON TIP PER SRM 51-40-02-0G-0 AND DWG 115A6200;[06] VERIFIED CORRECTIVE ACTION 5.

---
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.