# SDR UPS07849884

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2007
- Submitted: June 6, 2007
- 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
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fuselage
- 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/UPS07849884

## Discrepancy

EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN, FINGER DOUBLER AND LONGERON 31R, STARTING AT STA 70 AND EXTENDING APPROX 6 FEET REFERENCE D351779 AND FERRY PERMIT 9033. [06-29-07]  REMOVED LWR FWD PANEL IN "A" PIT TO ACCESS AREA PER SRM 51-3-0 & OPENED UP EXTERNAL SKIN FROM STA 70-128.0 L29R-L33R. R/R FINGER DOUBLER PER SRM 51-1-20D & 51-1-21. REMOVED CORR. AT L31R FROM STA 70-90 PER SRM 53-2-0 FIG 1F. TREATED & PRIMED PER SRM 51-1-8.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
