# SDR SWAA2021082307823

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2021
- Submitted: August 23, 2021
- Operation: Air carrier
- Aircraft: [N251WN](https://openairdocs.org/aircraft/N251WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32510
- Aircraft time: 50,842 hours, 30,436 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead Web
- Condition: Cracked
- Location: Bs 663
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021082307823

## Discrepancy

RH W/W VAPOR BARRIER CRACK ; VAPOR BARRIER CRACK INCREASED IN LENGTH FROM 7.5 IN. TO 14.5 IN. CRACK LOCATED FROM RBL 30-RBL 38 / [01] APPLIED INTERIM REPAIR IAW SRM 57-10-10-1A-2 PARA. 2.C.(4)(A) AND APB SRM SUPPLEMENT DOCUMENT #AP37.7-0602; 57-10-10 ALLOWABLE DAMAGE 2.

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