# SDR IPXA2026092123034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2026
- Submitted: September 23, 2026
- Operation: Air carrier
- Aircraft: [N613UP](https://openairdocs.org/aircraft/N613UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 64259
- Aircraft time: 29,927 hours, 4,405 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: 146U771286
- Condition: Cracked
- Location: Zone 200
- 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/IPXA2026092123034

## Discrepancy

STRINGER 9R CRACKED, FWD SIDE OF BS 1960.   ACCOMPLISHED REPAIR IAW EO-98604-REQ0007, REV 1, EI F2026A53M-2013, REV 0, WORK SHEET 60728, & SRM 53-60-03-2R-4, REV 49.

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