# SDR UPS07848840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2007
- Submitted: January 12, 2007
- Operation: Air carrier
- Aircraft: N744UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45944
- Aircraft time: 76,629 hours, 50,136 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Stiffener
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07848840

## Discrepancy

INSPECTION TYPE:C2 RADIOGRAPHIC INSP DETECTED A CRACK ON THE LT WING AT STA XRS437.00 VERTICAL STIFFENER IN THE LEADING EDGE.  REMOVED REPAIR FROM VERTICAL STIFFENER IAW SRM 51-1-21.  FABRICATED AND INSTALLED REPAIR DOUBLER, AND REPAIR ANGLE AT LT WING STA XRS 437.00 VERTICAL STIFFENER IAW DWG 5770170-5, AND SRM'S 57-02-00 FIG 2, 51-1-4, AND 51-1-20D.

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