# SDR SWAA2022042790203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2022
- Submitted: April 27, 2022
- Operation: Air carrier
- Aircraft: [N475WN](https://openairdocs.org/aircraft/N475WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32474
- Aircraft time: 59,744 hours, 35,276 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Scuff Plate
- Condition: Cracked
- Location: Aft Cargo Bay
- 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/SWAA2022042790203

## Discrepancy

AFT CARGO DOOR; FWD SCUFF PLATE IS CRACKED / [01] WELDED 3 CRACKED AREAS ON SCUFF PLATE USING ER4043 FILLER ROD LOT # 1131216 PER SRM 53-60-15-2R-1 PARA 4.B.(2) AND (4)<BR>WELDING MACHINE CAL ID E10583; S/N; KJ256554;[02] VERIFIED CORRECTIVE ACTION 1.;[03] PT INSPECTED WELDS IAW SOPM 20-20-02.<BR>NO CRACKS NOTED <BR>EQUIP USED: RADIOMETER ID: ATS2561-1;2;3;[04] SANDED REPAIR AREAS PER SRM 53-60-15-2R-1 PARA 4.B.(5);[05] VERIFIED CORRECTIVE ACTION 4.

---
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.
