# SDR SWAA2026062304897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2026
- Submitted: June 24, 2026
- Operation: Air carrier
- Aircraft: [N8543Z](https://openairdocs.org/aircraft/N8543Z), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 63587
- Aircraft time: 28,864 hours, 14,775 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- 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/SWAA2026062304897

## Discrepancy

LEFT A/C BAY, BS 663 LBL 35,  VAPOR BARRIER ANGLE WAS CRACKED.  CUT AND REMOVED DAMAGED SECTION OF BS 663 VAPOR BARRIER ATTACH ANGLE FROM APPROX LBL35 TO LBL65 IAW SRM 57-10-10-2R-5.  LOCATED HOLES ON VAPOR BARRIER REPLACEMENT ANGLE IAW SRM 57-10-10-2R-5.   LOCATED HOLES ON VAPOR BARRIER REPLACEMENT ANGLE IAW SRM 57-10-10-2R-5. MATCH DRILLED REPLACEMENT ANGLE & FABRICATED REPAIR DOUBLER IAW SRM 57-10-10-2R-5, MATCH DRILLED REPLACEMENT ANGLE & FABRICATED REPAIR DOUBLER IAW SRM 57-10-10-2R-5.  INSTALLED LT VAPOR BARRIER REPLACEMENT ANGLE AND DOUBLER FUEL TANK FASTENERS AT BS 663 IAW SRM 57-10-10-2R-5. ONLY FASTENERS COMMON TO THE FUEL TANK WERE INSTALLED. .CAP SEALED INTERNAL FUEL TANK FASTENERS AT BS 663 REPLACEMENT ANGLE AND REPAIR DOUBLER IAW SRM 57-10-10-2R-5 AND SRM 51-80-01 AT 22:45PM.  INSTALLED VAPOR BARRIER REPLACEMENT ANGLE & SPLICE DOUBLER LOWER LEG FASTENERS AT BS 663 IAW SRM 57-10-10-2R-5.  CAP SEALED EXTERNAL SURFACE OF REPAIR FASTENERS & FAY SEALED REPAIR PARTS IAW SRM 57-10-10-2R-5.

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