# SDR SWAA2025061069379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2025
- Submitted: June 10, 2025
- Operation: Air carrier
- Aircraft: [N900WN](https://openairdocs.org/aircraft/N900WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32544
- Aircraft time: 57,299 hours, 34,643 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Zone 200
- 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/SWAA2025061069379

## Discrepancy

REPAIR FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLENDOUT EXTENDED ALLOWABLE DAMAGE 2025-309410<[01] TOOL USED ON STEP 1: ULTRASONIC THICKNESS GAGE; P/N:45MG; S/N:242232211; DUE DATE:14-NOV-25.;[02] REPAIRED FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLEN DOUT EXTENDED ALLOWABLE DAMAGE M-21-153-00612 . SEE INDIVIDUAL SIGN-OFF BELOW;[03] REPAIRED FUSELAGE BS986.5 UPPER FLOOR BEAM CAP CORROSION BLEN DOUT EXTENDED ALLOWABLE DAMAGE M-21-153-00612 . SEE INDIVIDUAL SIGN-OFF BELOW

---
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.