# SDR SWAA2023090791495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2023
- Submitted: September 7, 2023
- Operation: Air carrier
- Aircraft: [N903WN](https://openairdocs.org/aircraft/N903WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32457
- Aircraft time: 51,287 hours, 30,971 cycles
- System (JASC): [5751 · Ailerons](https://openairdocs.org/jasc/5751)
- Part: Support
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023090791495

## Discrepancy

CUSTOMER REQUEST CORROSION ON SUPPORT AILERON FEEL CENTERING UNIT AT MAIN WHEEL WELL 2023-491870<[01] REMOVED AND REPLACED UPPER SUPPORT ASSEMBLY AT AILERON CENTERING MECHANISM IAW BOEING SOPM 27-14-22; STEP 2.B (3);(4);(5);(7);(8) PAGE 301 AND 2.C (25) UP TO 2.C (32); EXCEPT 2.C (28); PAGE 703; FIG 1; DETAIL D; SHEET 3 OF 4; PAGE 1013.<BR>TOOL USED : TORQUE P/N : QD1R200A; S/N : 0821901544; DUE DATE : 07-SEP-23.;[02] REMOVED AND REPLACED UPPER SUPPORT ASSEMBLY AT AILERON CENTERING MECHANISM IAW BOEING SOPM 27-14-22; STEP 2.B (3);(4);(5);(7);(8) PAGE 301 AND 2.C (25) UP TO 2.C (32); EXCEPT 2.C (28); PAGE 703; FIG 1; DETAIL D; SHEET 3 OF 4; PAGE 1013.<BR>TOOL USED : TORQUE P/N : QD1R200A; S/N : 0821901544; DUE DATE : 07-SEP-23.

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