# SDR SWAA2022020158722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2017
- Submitted: February 1, 2022
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 45,979 hours, 26,932 cycles
- System (JASC): [5544 · Rudder Miscellaneous Structure](https://openairdocs.org/jasc/5544)
- Part: Balance Weight
- Condition: Corroded
- Location: Rudder
- 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/SWAA2022020158722

## Discrepancy

UPON REMOVAL OF COUNTER BALANCE WEIGHT CORROSION WAS FOUND ON THE UPPER EDGE OF BALANCE ARM. CORROSION SPOT 1 IS 2.5' FROM R/H END AND .200' OF EDGE CORNER REMOVED. CORROSION SPOT 2 ID 4' FROM R/H END AND 300' OF EDGE OF CORNER REMOVED (TRANSFERRED FROM NRC #G483103 / BLENDED AREA IAW SRM 51-41-02 & ACCOMPLISHED EA 1-755-3798 SEE ATTACHED SAM 326 FOR INDIVIDUAL SIGN OFFS

---
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.