# SDR SWAA2025031704309

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N7820L](https://openairdocs.org/aircraft/N7820L), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 28253
- Aircraft time: 63,660 hours, 40,771 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Bulged
- 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/SWAA2025031704309

## Discrepancy

SUPPLEMENTAL INFORMATION: RING AROUND TOILET SERVICE PANEL ON AFT FUSELAGE HAS BULGE ON LOWER AFT CORNER.  REMOVED 1 EA FASTENER AT LWR AFT CORNER OF TOILET SERVICE PANEL TO FACILITATE INSPECTION PER SRM 51-40-02.   REPIRED REF EA# 25-153-00638,  C/W E/A 25-153-00638, C/W E/A 25-153-00638.

---
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.