# SDR SWAA2023080477922

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2023
- Submitted: August 4, 2023
- Operation: Air carrier
- Aircraft: [N228WN](https://openairdocs.org/aircraft/N228WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32496
- Aircraft time: 58,313 hours, 35,117 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Nut Plate
- Part number: UNKNOWN
- Condition: Cracked
- 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/SWAA2023080477922

## Discrepancy

CRACK NUTPLATE RAIL 2E/A LOCATED ON FRONT SPAR INTERNAL STRUCTURE LOWER CHORD BTW STAB STA 175.50 TO STAB STA 193.90 AT LT HORIZONTAL STABILIZER 2023-422644<[01] REPLACED NUTPLATE RAIL (2E/A) LOCATED ON FRONT SPAR INTERNAL STRUCTURE LOWER CHORD BTW STAB STA 175.50 TO STAB STA 193.90 AT LT HORIZONTAL STABILIZER I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 182A2401 SHEET 15 REV. F<BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW;[02] RII ITEM <BR>REPLACED NUTPLATE RAIL (2E/A) LOCATED ON FRONT SPAR INTERNAL STRUCTURE LOWER CHORD BTW STAB STA 175.50 TO STAB STA 193.90 AT LT HORIZONTAL STABILIZER I.A.W. B737-700 SRM 51-10-02 ITEM 9 AND SRM 51-40-02 AND DWG 182A2401 SHEET 15 REV. F

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