# SDR SWAA2021081895044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 61,121 hours, 35,983 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame Splice
- Condition: Corroded
- Location: Bs 787
- 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/SWAA2021081895044

## Discrepancy

CORROSION ON FRAME AT AFT CARGO BAY BS787 RBL27 WL156. MARKED ; / [01] CORROSION ON FRAME SPLICE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM PART WILL BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PARAGRAPH 9.; [02] VERIFIED CORROSION ON FRAME SPLICE WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM PART WILL BE REMOVED AND REPLACED PER SRM 51-10-02-0G-0 PARAGRAPH 9.; [03] REMOVED ACB FRAME SPLICE BS787; RBL27; WL156 PER SRM 51-40-02-0G-0; [04] LOCATED AND DRILL ACB FRAME SPLICE BS787; RBL27; WL156 PER SRM 51-40-02-0G-0 AND DWG 146A1262. OK TO INSTALL; [05] VERIFIED LOCATE AND DRILL OF ACB FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262. OK TO INSTALL FRAME SPLICE GIVEN.; [06] INSTALLED NEW FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262; [07] VERIFIED INSTALLATION OF NEW FRAME SPLICE AT BS 787; RBL 27; WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1262; [08] VERIFIED CARD COMPLETE

---
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.