# SDR SWAA2021091599391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N447WN](https://openairdocs.org/aircraft/N447WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33720
- Aircraft time: 58,733 hours, 34,620 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Fitting
- Condition: Corroded
- Location: Bs 612 Lbl55
- 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/SWAA2021091599391

## Discrepancy

CORROSION ON FORWARD ENTRY DOOR FORWARD GIRT BAR FITTING SUPPORT AT B.S. 312; LBL 55; WL 208.1. ; / [01] REMOVED ON FWD ENTRY DOOR FWD GIRT BAR FITTING SUPPORT AT BS 312; LBL; 55; WL 208.1 IAW SRM 51-40-02 AND SRM 51-10-02 ITEM 9.C MUST BE REPAIRED BY REPLACEMENT NO ENTRIES IN SRM BY ALLOWABLE DAMAGE.; [02] UPDATED MEASUREMENTS; [03] INSTALLED NEW FWD GIRT BAR FITTING SUPPORT AT FWD ENTRY DOOR BS 312 LBL 55 WL 208.1 IAW 51-40-02-0G-0 AND IPC 53-42-00-29; [04] VERIFIED ALL MAINTENANCE STEPS ARE COMPLETE.; [05] INSTALLED NEW FWD GIRT BAR FITTING SUPPORT AT FWD ENTRY DOOR BS 312 LBL 55 WL 208.1 IAW SRM 51-40-02-0G-0 AND IPC 53-42-00-29; [06] VERIFIED ACTION 5

---
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.