# SDR SWAA2023090586206

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2023
- Submitted: September 5, 2023
- Operation: Air carrier
- Aircraft: [N449WN](https://openairdocs.org/aircraft/N449WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32469
- Aircraft time: 65,862 hours, 39,346 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Rib
- 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/SWAA2023090586206

## Discrepancy

CRACK LEADING EDGE RIB LOCATED LE STA 95.96 RT HORIZONTAL STAB 2023-477715<[01] REPLACED RIB LOCATED AT LEADING EDGE LE STA 95.96 RT HORIZONTAL STAB. IAW B737-700 51-10-02. PARAGRAPH 9. AND DWG 186A1001. REV.?A?. SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1:<BR>REPLACED RIB LOCATED AT LEADING EDGE LE STA 95.96 RT HORIZONTAL STAB. IAW B737-700 SRM 51-10-02. PARAGRAPH 9. AND DWG 186A1001. REV.?A?. SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED RIB LOCATED AT LEADING EDGE LE STA 95.96 RT HORIZONTAL STAB. IAW B737-700 SRM 51-10-02. PARAGRAPH 9. AND DWG 186A1001. REV.?A?. SEE INDIVIDUAL SIGN OFF BELOW. COMPLETED RII

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