# SDR SWAA2021082318534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2020
- Submitted: August 23, 2021
- Operation: Air carrier
- Aircraft: N235WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34630
- Aircraft time: 48,286 hours, 28,888 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Doubler
- Condition: Cracked
- Location: Bs 663 Bulkhead
- 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/SWAA2021082318534

## Discrepancy

DOUBLER ON FWD SIDE OF BS663 COMMON TO VAPOR BARRIER AT RBL70 WL166 IS CRACKED / REMOVED AND REPLACED DOUBLER ON FWD SIDE OF BS.663 COMMON TO VAPOR BARRIER AT RBL70 WL166. IAW SRM 51-40-02; 51-40-02 AND DWG 111A1001

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.