# SDR SWAA2021092212337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2021
- Submitted: September 22, 2021
- Operation: Air carrier
- Aircraft: [N228WN](https://openairdocs.org/aircraft/N228WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32496
- Aircraft time: 53,078 hours, 31,709 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 727a-767
- 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/SWAA2021092212337

## Discrepancy

CORROSION SUPPORT ZEE LOCATED BETWEEN BS727A TO BS767 AND RBL21 WL154.5 AFT CARGO COMPARTMENT ; 2021-392159 / [17] REPLACED SUPPORT ZEE SECTION LOCATED ON BETWEEN BS 727+4 INCHS TO BS 767 AND RBL 21 WL 154.5 AFT CARGO COMPARTMENT IAW B737-700 SRM 51-40-02 B737-700 SRM 51-10-02 ITEM 9 AND DWG 146A7500 REV A.; [18] STEP 16 COMPLETED RII ITEM; [19] CORRECTED STEP 7 STEP 6 CERTIFIED AS RII.; [20] STEP 17 COMPLETE RII

---
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.