# SDR UIEA2026031800096

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 25, 2026
- Submitted: March 25, 2026
- Operation: Air carrier
- Aircraft: [N496MC](https://openairdocs.org/aircraft/N496MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29257
- Aircraft time: 104,584 hours, 17,583 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- 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/UIEA2026031800096

## Discrepancy

DURING HFEC OPEN HOLE INSPECTION AT NON STRETCHED UPPER DECK TENSION TIE AND FRAMES STA 760 LHS FOUND 01 EA HOLE CRACKED ON  STEEL PLATE AS MARKED.(<P>NON STRETCHED UPPER DECK TENSION TIE AND FRAMES STA 760 LHS WORK ACCOMPLISHED IAW EN#3186-26 REV 0. NO FURTHER DEFECTS NOTED. PN 142U1027-19</P>)

---
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.