# SDR SWAA2026040777236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2026
- Submitted: April 7, 2026
- Operation: Air carrier
- Aircraft: [N8533S](https://openairdocs.org/aircraft/N8533S), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63577
- Aircraft time: 28,616 hours, 14,599 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/SWAA2026040777236

## Discrepancy

BS 663 VAPOR BARRIER ATTACH ANGLE HAS A CRACK AT RBL 34'.   REMOVED RIVETS FROM STA 663 VAPOR BARRIER ATTACH ANGLE COMMON TO VERTICAL FLANGE PER SRM 51-40-02.  REMOVED ATTACH ANGLE IAW SRM 51-40-02.  HFEC ROTARY HOLE INSPECTION REQUIRED FOR FASTENER HOLES COMMON TO FUEL TANK IAW NDT 51-00-00 PART 6 PROCEDURE 16. NO DEFECTS NOTED.  INSTALLED A NEW ATTACH ANGLE & FASTENERS COMMON TO FUEL TANK IAW SRM 51-40-02.   APPLIED SEALANT IAW SOPM 20-50-19.

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