# SDR SWAA2023101699870

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 12, 2023
- Submitted: October 16, 2023
- Operation: Air carrier
- Aircraft: [N448WN](https://openairdocs.org/aircraft/N448WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33721
- Aircraft time: 64,386 hours, 38,370 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: UNKNOWN
- Condition: Cracked
- 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/SWAA2023101699870

## Discrepancy

CRACK SUPPORT ANGLE LOCATED BS867 AT LEVEL STR3R PASSENGER CABIN 2023-569650<[01] REPLACED SUPPORT ANGLE LOCATED BS867 AT LEVEL STR3R PASSENGER IAW B737-700 SRM 51-40-02; SRM 51-10-02 AND DWG 144A1312 REV: - SHEET 4. MATERIAL THICKNESS IS: 0.040 INCH; MEASURE OF CRACK IS: 0.066 INCH. TOOL USED DIGITAL CALIPER P/N: 500-197-30 S/N: A21043202.;[02] REPLACED SUPPORT ANGLE LOCATED BS867 AT LEVEL STR3R PASSENGER IAW B737-700 SRM 51-40-02; SRM 51-10-02 AND DWG 144A1312 REV: - SHEET 4. MATERIAL THICKNESS IS: 0.040 INCH; MEASURE OF CRACK IS: 0.066 INCH. TOOL USED DIGITAL CALIPER P/N: 500-197-30 S/N: A21043202. AS RII

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