# SDR SWAA2025121841323

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2025
- Submitted: December 18, 2025
- Operation: Air carrier
- Aircraft: [N8511K](https://openairdocs.org/aircraft/N8511K), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36670
- Aircraft time: 29,651 hours, 14,931 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Angle
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025121841323

## Discrepancy

CRACK FOUND ON BS 663 VAPOR BARRIER UPPER ATTACH ANGLE, LBL 9.   CUT OUT AND REMOVED THE CRACKED SECTION OF THE ATTACH ANGLE IAW SRM 57-10-10-2R-5.  COMPLIED WITH OPEN HOLE INSPECTION FOR THE REMOVED ATTACH ANGLE IAW NDT MANUAL, PART 6, 51-00-00, PROC 16.  NO FAULTS FOUND.  FABRICATED NEW ANGLE & DOUBLER IAW SRM 5710-10-2R-5, AND SRM. 51-40-05.  C/W WITH STEP 1 VERIFICATION OF DAMAGE REMOVAL AND STEP #4,  TREATED & PRIMED REPAIR AREA & REPAIR IAW SRM 57-10-10-2R-5.  INSTALLED FASTENERS COMMON TO VAPOR ANGLE & FUEL TANK IAW SRM 57-10-10-2R-5.  REPAIRED VAPOR BARRIER ANGLE IAW SRM 57-10-10-2R-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.