# SDR SWAA2023081473343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N446WN](https://openairdocs.org/aircraft/N446WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29842
- Aircraft time: 63,737 hours, 37,813 cycles
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Balance Weight
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 500 Left Wing
- 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/SWAA2023081473343

## Discrepancy

(CUSTOMER REQUEST) CORROSION ON BALANCE PANEL WEIGHT BAY 5 AT LT AILERON (2 EA) 2023-413222<[01] REPLACED BALANCE PANEL WEIGHT BAY 5 AT LT AILERON (2 EA) IAW SRM 51-40-02-0G-0; SRM 51-40-04-0G-0 AND DWG 113A7400 SHEET 36 REV. D; TORQUE APPLIED: 35 LB/IN; TOOL USED: TORQUE 10-50 LB/IN; P/N: QD1R50; S/N: 1018916275; D/D: 05-APR-24.;[02] REPLACED BALANCE PANEL WEIGHT BAY 5 AT LT AILERON (2 EA) IAW SRM 51-40-02-0G-0; SRM 51-40-04-0G-0 AND DWG 113A7400 SHEET 36 REV. D; TORQUE APPLIED: 35 LB/IN; TOOL USED: TORQUE 10-50 LB/IN; P/N: QD1R50; S/N: 1018916275; D/D: 05-APR-24. RII

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