# SDR UPS04843147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2004
- Submitted: September 24, 2004
- Operation: Air carrier
- Aircraft: N772UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46072
- Aircraft time: 68,469 hours, 45,463 cycles
- Engine: Ge CFM562C
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 57695892
- Condition: Cracked
- Location: Rt 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/UPS04843147

## Discrepancy

C3 WING RT L/E AT STA XFS 335.250 DRAIN HOLE DOUBLER IS CRACKED.  NDT VERIFIED CRACK IS APPROX. .3750 INCH LONG. REMOVED INTERNAL DOUBLER ON RT WING L/E, FABRICATED REPLACEMENT DOUBLER IAW DWG 5769589-27. INSTALLED REPLACEMENT DOUBLER ON RT L/E AT STA XFS 335.250 IAW SRM 51-1-21 AND 51-1-21D.

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