# SDR SWAA2023041213605

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2023
- Submitted: April 12, 2023
- Operation: Air carrier
- Aircraft: [N956WN](https://openairdocs.org/aircraft/N956WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36672
- Aircraft time: 38,869 hours, 23,696 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Scuff Plate
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023041213605

## Discrepancy

FWD CARGO BAY AFT CORNER SCUFF PLATE IS CRACKED<[01] WELDED 2EA CRACKED AREAS ON FWD CARGO BAY AFT CORNER SCUFF PLATE USING ER4043 FILLER ROD LOT NUMBER 1131216 PER SRM 53-30-15-2R-1 PARAGRAPH 4.B.(2) AND (4)<BR>EQUIP USED;<BR>WELDING MACHINE E10583; CAL DUE 01/2024;[02] VERIFIED CORRECTIVE ACTION 1 AND VERIFIED CORRECT MEASURENMENT TABLE.;[03] PT INSPECTED AREA IAW SOPM 20-20-02. <BR>NO CRACKS NOTED. <BR>EQUIP USED: <BR>-RADIOMETER ID: ATS2504-A; B; C CAL DUE: 05/23;[04] SANDED WELD REPAIR AREA PER SRM 53-30-15-2R-1 PARAGRAPH 4.B (5);[05] VERIFIED CORRECTIVE ACTION 4;[06] APPLIED ALODINE PER SOPM 20-43-03; AND PRIMED PER SOPM 20-41-02;[07] VERIFIED CORRECTIVE ACTION ITEM 6.

---
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.