# SDR UPS98825503

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N707UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 45907
- Engine: Cfm56
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 70
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS98825503

## Discrepancy

INSPECTION TYPE-B CK, CORROSION FOUND AT STR 30R BETWEEN STR 25 TO 35 DOME NUT ATTACH POINTS FOR EXTERNAL AIR COND DOOR GRND HOOK UP.  EXPOSED STRINGER AREAS WITH CORROSION.  BLENDED 5 AERAS OF CORROSION PERFORMED THICKNESS TEST PER QC THICKNESS TESTER CL304.  REPAIRED PER EO DC8-5310-9989.

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