# SDR SWAA2021082721071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2020
- Submitted: August 27, 2021
- Operation: Air carrier
- Aircraft: [N458WN](https://openairdocs.org/aircraft/N458WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33857
- Aircraft time: 55,631 hours, 33,048 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Balance Weight
- Condition: Corroded
- Location: Rt Aileron
- 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/SWAA2021082721071

## Discrepancy

RIGHT AILERON 2 EACH WEIGHTS PITTED AND CORRODED 2ND FROM I/B WEIGHTS. (ONE UPPER WEIGHT AND CORRESPONDING LOWER WEIGHT) / REMOVED AND REPLACED RH AILERON 2EA WEIGHTS 2ND ROM IB IAW B737-700 SRM 51-40-02-0G-0 STEP 7 & IPC 27-11-31-02 WN8737/WN8669

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