# SDR SWAA2026050687182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2026
- Submitted: May 6, 2026
- Operation: Air carrier
- Aircraft: [N8531Q](https://openairdocs.org/aircraft/N8531Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63575
- Aircraft time: 29,638 hours, 14,907 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026050687182

## Discrepancy

BS 663 VAPOR BARRIER ATTACH ANGLE HAS CRACK AT RBL 9.   REMOVED VAPOR BARRIER ATTACH ANGLE AT BS633, RBL 9 IAW SRM 51-40-02.   LOCATED AND MATCH DRILLED NEW RT BS 663 VAPOR BARRIER ATTACH ANGLE IAW SRM 51-40-06.    PERFORMED NDT PER PART 6; 51-00-00 PROCEDURE 16 OF HOLES COMMON TO REPAIR; IN TANK HOLES AND WEB HOLES.  INSTALLED FASTENERS COMMON TO FUEL TANK IAW SRM 51-40-02

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