# SDR 9WGA2026052225807

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 22, 2026
- Submitted: May 22, 2026
- Operation: Air carrier
- Aircraft: [N258SN](https://openairdocs.org/aircraft/N258SN), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29258
- Aircraft time: 94,698 hours, 15,226 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: 69B142679
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2026052225807

## Discrepancy

DURING HEAVY CHECK, CRACK FOUND ON THE CENTER TANK STA 1000 FRONT SPAR SHEAR TIE RBL 33.99, (NR 041074, SEQ 874).  REMOVED AND REPLACED SHEAR TIE AT CENTER TANK STA. 1000 FRONT SPAR RBL 33.99, IAW  SRM 51-40-02 AND SB 747-53A2904.

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