# SDR SWAA2022051997202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2022
- Submitted: May 19, 2022
- Operation: Air carrier
- Aircraft: [N474WN](https://openairdocs.org/aircraft/N474WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33861
- Aircraft time: 59,626 hours, 35,442 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: 147A55068
- Condition: Corroded
- Location: Aft Galley
- 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/SWAA2022051997202

## Discrepancy

CORROSION ON FLOOR BEAM LOCATED ON BS 986.5 RBL 43 WL 208.1 AFT GALLEY AREA 2022-211517 / [01] TOOL USED ULTRASONIC EQUIPMENT PN: 35DL; SN: 091419910; DUE DATE: 26 JAN 23;[02] TOOL EDDY CURRENT USED P/N: NORTEC 600 S/N: 210136503 AND DUE DATE: 11-APR-23.;[03] PERFORMED REPAIR FLOOR BEAM LOCATED ON BS 986.5 RBL 38 TO RBL 47 AND WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 3: PERFORMED REPAIR FLOOR BEAM LOCATED ON BS 986.5 RBL 38 TO RBL 47 AND WL 208.1 AFT GALLEY AREA IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFF BELOW. SEE INDIVIDUAL SING-OFFS BELOW;[05] CERTIFIED RII MAJOR REPAIR PERFORMED.

---
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.