# SDR SWAA2023122926866

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2023
- Submitted: December 29, 2023
- Operation: Air carrier
- Aircraft: N7845A
- Make and model: Boeing 737-71B
- Registry model: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (OpenAirDocs)
- Aircraft serial: 29366
- Aircraft time: 50,501 hours, 32,811 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- 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/SWAA2023122926866

## Discrepancy

CRACK FRONT SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB 2023-748355<[01] TOOL USED ET EQUIPMENT: P/N: NORTEC 600D; S/N: 210138203; CAL DUE DATE: 09-JUN-24;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 200048001; DUE DATE: 01-MAY-24;[03] PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 5T-10-09-2R-5 REPAIR 5 FUGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 5140-02. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] CORRECTED STEP 3<BR>PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 51-40-02. SEE INDIVIDUAL SIGN OFFS BELOW.;[05] PERFORMED PERMANENT REPAIR ON SPAR INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES FROM EDGE FRONT SPAR RT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5 FIGURE 204 SHEET 1 DETAIL A AND IAW B737-700 SRM 51-40-02. SEE INDIVIDUAL SIGN OFFS BELOW.<BR>CERTIFIED RII

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.