# SDR IPXA2026030286480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2026
- Submitted: March 2, 2026
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 131,446 hours, 22,124 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron Splice
- Part number: 69B008285
- 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/IPXA2026030286480

## Discrepancy

CRACKED FITTING, DURING PERFORMANCE OF EO-28141-JIC017, FOUND THE UPPER LONGERON SPLICE FITTING AFT SIDE CRACKED AT BS 2598, S11L.  REMOVED THE DAMAGE LONGERON SPLICE IAW SRM 51-40-02-0G-0, REV 106, AND INSTALLED A NEW LONGERON SPLICE IAW SRM 51-40-02-0G-0, REV 106, & DWG 65B02520, SHT 3, REV N, SHT 4, REV L.

---
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.
