# SDR SWAA2021071485549
- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2021
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N226WN](https://openairdocs.org/aircraft/N226WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32494
- Aircraft time: 53,110 hours, 31,655 cycles
- System (JASC): [5320 ยท Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 869 Rbl21
- 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/SWAA2021071485549
## Discrepancy
CORROSION ON FLOOR TO SIDEWALL SUPPORT AT AFT CARGO BAY BS896 RBL21 WL169. ; / [01] REMOVED CORROSION FROM ACB FLOOR TO SIDE WALL SUPPORT ANGLE BS 896 RBL 21 WL 169 IN AREA OF 2.5' X 1.2' X 0.008' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OFF LIMIT IAW 53-00-53-1A-1 DETAIL 4A(2)A FIG.103-D
TOOLS USED MICR0METER ID ATS1671; S/N 65093024; [02] VERIFIED REMOVAL OF CORROSION FROM ACB FLOOR TO SIDE WALL SUPPORT ANGLE BS 896 RBL 21 WL 169 IN AREA OF 2.5' X 1.2' X 0.008' DEEP ORIGINAL MATERIAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS IAW 53-00-53-1A-1 DETAIL 4A(2)A FIG.103-D
TOOLS USED MICR0METER ID ATS1671; S/N 65093024; [03] WORK WILL BE ACCOMPLISHED IN CUSTOMER CARD # TTG8Q005GV0N; [04] CORRECTION STEP 3 WORK WILL BE ACCOMPLISHED IN CUSTOMER CARD TTG8Q005GVMC; [05] VERIFIED INSTALLATION OF ACB FLOOR TO SIDE WALL SUPPORT ANGLE WILL BE ACCOMPLISHED IN CUSTOMER CARD TTG8Q005GVMC; [06] VERIFIED CARD COMPLETE; [07] CORRECTED MEASUREMENTS SECTION ITEM #15; [08] 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.