# SDR SWAA2023031395748

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N8525S](https://openairdocs.org/aircraft/N8525S), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36949
- Aircraft time: 20,253 hours, 9,749 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023031395748

## Discrepancy

R/H TRANSITION ANGLE 727H-727J HAS CORROSION AROUND MULTIPLE FASTNER HOLES. MARKED.<[01] REMOVE SURFACE CORROSION ON RH TRANSITION ANGLE FROM STATION 727H-727J. MATERIAL REMAINING THICKNESS .020. PART REQUIRE TO BE REPLACE. ALL WORK REFERENCE TO SRM 50-00-53-1A-2.<BR>SEE WORK CAPTURE #TTG8Q00HGST0 FOR PART BEING REPLACE.;[02] VERIFIED PART REPLACEMENT ON #TTG8Q00HGST0

---
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.