# SDR UPS05845255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2005
- Submitted: August 24, 2005
- Operation: Air carrier
- Aircraft: [N750UP](https://openairdocs.org/aircraft/N750UP), registered now
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45950
- Aircraft time: 68,230 hours, 28,358 cycles
- System (JASC): [5752 · Aileron Tabs](https://openairdocs.org/jasc/5752)
- Part: Skin
- Condition: Cracked
- Location: Lt Aileron
- 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/UPS05845255

## Discrepancy

LT WING AILERON LE UPPER SURFACE AROUND FASTENER HAS 1/4" LONG CRACK PCU AREA.  STOP DRILLED CRACK NDT HFEC VERIFIED CRACK TERMINATES AT STOP DRILL.  FABRICATED REPAIR DOUBLER IAW 57-02-00-0 AND INSTALLED REPAIR DOUBLER IAW SRM 57-02-00-0 AND 57-08-00-0.  REPAIR DOUBLER CENTERED AT AILERON HINGE LINE "D" VALUE EQUALS ZERO THEREFORE THERE IS NO NET CHANGE IN BALANCE IAW SRM 51-04-08 FIG 59R.

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