# SDR UIEA2025071000893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2025
- Submitted: July 17, 2025
- Operation: Air carrier
- Aircraft: [N450PA](https://openairdocs.org/aircraft/N450PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30808
- Aircraft time: 100,859 hours, 16,937 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- 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/UIEA2025071000893

## Discrepancy

1 EA CRACK FOUND ON BS 2598 BULKHEAD RH AFT INNER CHORD CRACK AT 3 O'CLOCK POSITION (VIEW LOOKING FWD) CRACK DEPTH APPROX 0.015" FROM FORWARD SURFACE.  INNER CHORD CRACK AREA REPAIRED AS PER RI-53-80-17738 REV A. NO FURTHER DEFECTS NOTED.

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