# SDR UPS04842794

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2004
- Submitted: July 30, 2004
- Operation: Air carrier
- Aircraft: [N802UP](https://openairdocs.org/aircraft/N802UP), registered now
- Make and model: Doug DC-8-73F
- Registry model: [Doug DC-8-73F](https://openairdocs.org/model/douglas-dc-8-73f) (OpenAirDocs)
- Aircraft serial: 46100
- Aircraft time: 70,332 hours, 28,589 cycles
- Engine: Ge CFM56*
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 56453325
- Condition: Corroded
- Location: Subfloor
- 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/UPS04842794

## Discrepancy

INSPECTION TYPE: C1, CORROSION ON SUBFLOOR BETWEEN WEB AND CHANNEL, MAIN CABIN STA 857 AT FUEL DUMP TORQUE TUBE.  REMOVED UPPER CHANNEL IAW SRM 51-1-21.  CUT OUT DAMAGED AREA.  FABBED AND INSTALLED REPAIR DOUBLER AND FILLER IAW SRM53-2-0 FIG23, DWG 5645332, 51-1-21, 51-1-8. REINSTALLED UPPER CHANNEL IAW SRM 51-1-21.

---
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.