# SDR UIEA2026031100088

- 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 100
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026031100088

## Discrepancy

DURING HFEC OPEN HOLE INSPECTION AT NON STRETCHED UPPER DECK TENSION TIE AND FRAMES, STA 860 RHS FOUND 01 EA HOLE CRACKED AT AROUND 11 O'CLOCK POSITION VIEW LOOKING FORWARD AS MARKED.  REPAIR CARRIED OUT ON CRACKED TENSION TIE AT 860 RT IAW B747-400F SRM 53-20-30-2R REPAIR 1 FIG 201 REV 106. NO FURTHER DEFECTS NOTED.

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