# SDR SWAA2023062153549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2023
- Submitted: June 21, 2023
- Operation: Air carrier
- Aircraft: N418WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29823
- Aircraft time: 71,436 hours, 42,247 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/SWAA2023062153549

## Discrepancy

CRACK LEADING EDGE RIB LOCATED STA 95.96 AT RT HORIZONTAL STABILIZER 2023-360979<[01] REPLACED RIB LOCATED STA 95.96 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG NO. 186A1303; SHEET 1; REV.-<BR>SEE INDIVIDUAL SIGNS-OFF BELOW.;[02] RII ITEM <BR>REPLACED RIB LOCATED STA 95.96 AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02 PARAGRAPH 9; SRM 51-40-02 AND DWG NO. 186A1303; SHEET 1; REV.- <BR>SEE INDIVIDUAL SIGNS-OFF BELOW.;[03] .

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