# SDR SWAA2021081320236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2020
- Submitted: August 13, 2021
- Operation: Air carrier
- Aircraft: [N426WN](https://openairdocs.org/aircraft/N426WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29830
- Aircraft time: 61,080 hours, 36,269 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Strap
- Condition: Corroded
- Location: Bs 847
- 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/SWAA2021081320236

## Discrepancy

***CORROSION*** ON NUTPLATE STRIP BS 847+3' RBL 18 UNDER TENSION STRAP WL 156 / DAMAGE EVALUATION ON ACB NUTPLATE STRAP BS847-853; RBL18. WAS FOUND TO BE OUT OF LIMITS. DUE TO NO SRM LIMITS GIVEN. PER SRM 51-10-02. REMOVED AND INSTALLED NEW NUTPLATE STRAP BS847-853; RBL18. PER DWG 146A0081; AND SRM 51-10-02 87713U 08FEB2020

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