# SDR SWAA2026050688807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 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): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- Condition: Damaged
- 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/SWAA2026050688807

## Discrepancy

BS 663 VAPOR BARRIER WEB RBL 28 HOLE OUT OF ROUND.   OVERSIZED TO A CLEAN HOLE PER SRM 51-40-05 & SRM 51-10-02.   C/W HOLE PROBE INSP. PER NDT MANUAL PART 6 51-00-00 PROCEDURE 16. NO DEFECTS NOTED. INSTALLATION OF FASTENER C/W ON FAULT TTG8Q01BJJ5U.

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