# SDR SWAA2025100917821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2025
- Submitted: October 9, 2025
- Operation: Air carrier
- Aircraft: N8617E
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36912
- Aircraft time: 39,733 hours, 19,145 cycles
- System (JASC): [5540 · Rudder Structure](https://openairdocs.org/jasc/5540)
- Part: Balance Weight
- Condition: Corroded
- Location: Zn 300 Stabilize
- 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/SWAA2025100917821

## Discrepancy

RUDDER FWD COUNTERBALANCE WEIGHT SHOWS SIGNS OF CORROSION.   REMOVED AND REPLACED RUDDER FWD COUNTERBALANCE WEIGHT IAW CMM 55-40-09.

---
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.