# SDR SWAA2021042665327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2021
- Submitted: April 26, 2021
- Operation: Air carrier
- Aircraft: N416WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32453
- Aircraft time: 65,345 hours, 38,506 cycles
- System (JASC): [5540 · Rudder Structure](https://openairdocs.org/jasc/5540)
- Part: Counterbalance
- Condition: Corroded
- Location: Rudder
- 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/SWAA2021042665327

## Discrepancy

RUDDER COUNTER BALANCE WEIGHT IS CORRODED. REMOVED AND REPLACED RUDDER COUNTERBALANCE PER CMM 554009.

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