# SDR UIEA2026031100087

- 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: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026031100087

## Discrepancy

DURING HFEC OPEN HOLE INSPECTION AT NON STRETCHED UPPER DECK TENSION TIE AND FRAMES, STA 820 RHS. FOUND 02 EA HOLES CRACKED AT 11 O'CLOCK AND 6 O'CLOCK POSITION RESPECTIVELY, VIEW LOOKING FORWARD AS MARKED.(<P>REPAIR CARRIED OUT ON CRACKED TENSION TIE  AT STA 820 RH IAW B747-400F SRM 53-20-30-2R REPAIR 1 FIG 201 REV 106. NO FURTHER DEFECTS NOTED</P>)

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