# SDR SWAA2021122053188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2021
- Submitted: December 20, 2021
- Operation: Air carrier
- Aircraft: [N485WN](https://openairdocs.org/aircraft/N485WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32473
- Aircraft time: 58,671 hours, 34,892 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Angle
- Condition: Cracked
- Stage of operation: UK
- 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/SWAA2021122053188

## Discrepancy

LT A/C BAY BS 663, LBL 8, LOWER FUEL TANK ANGLE COMMON THE VAPOR BARRIER IS CRACKED AT FASTENER JUST OUTBD OF LH KEELBEAM.  REPLACEMENT ANGLE FABRICATED IAW W/O 43057-5000-0001.   SPLICE ANGLE FABRICATED ON W/O 43057-5000-0002, REPLACEMENT ANGLE TO BE .063' 2024-T42 IAW SRM 57-10-10-2R-5, REPAIR 5.    REMOVED DAMAGED SECTION OF THE ANGLE AND PERFORMED A DVI IAW SRM 57-10-10-2R-5 REPAIR 5 HFEC IAW NDT PART 6; 51-00-00 PROC 16. NO DEFECTS NOTED.  LOCATED AND DRILLED THE ANGLE, AND SPLICE ANGLE IAW  SRM 57-10-10-2R-5, REPAIR 5.  INSTALLED FASTENERS IN REPAIR IAW SRM 57-10-10-2R-5.  SEALED FASTENERS  IAW SRM 57-10-10-2R-5.  COMPLETED INSTALLATION OF REPAIR ANGLES IAW SRM 57-10-10-2R-5 REPAIR 5. STEP 18.

---
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.