# SDR UPS08B52442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-400
- Registry model: [Boeing 747-400](https://openairdocs.org/model/boeing-747-400) (OpenAirDocs)
- Aircraft serial: 27154
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Doubler
- Condition: Cracked
- Location: Fuselage
- 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/UPS08B52442

## Discrepancy

INSPECTION TYPE:N/A LEFT BS 1120 TENSION TIE FRAME DOUBLER CRACKED ABOUT 0.030 INCH.  LEFT BS 1120 TENSION TIE FRAME DOUBLER REPLACED.

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