# SDR UPS07M50376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2007
- Submitted: August 6, 2007
- Operation: Air carrier
- Aircraft: [N260UP](https://openairdocs.org/aircraft/N260UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48418
- Aircraft time: 54,799 hours, 9,865 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS07M50376

## Discrepancy

INSPECTION TYPE:C AFT CARGO STA 1960, LONGERON R43 LONGERON CHANNEL STIFFENER FOUND WITH CORROSION AS MARKED.  NEW CHANNEL FAB AS PER DOC DWG NGA6313 MATL USED:7075-0-0.071.  CHANNEL HEAT TREATED PER DPS7.00-1 & HARDNESS VALUES 86.9 PER DPS 1.05-3.  NEW CHANNEL FASTENER HOLES PICKED UP PER SRM 51-31-01 V2 R38.  NEW CHANNEL REPROTECTED & PAINT TOUCHED UP PER SRM 51-21-01 V1 R38.  NEW CHANNEL INSTALLED PER SRM 51-31-01 V2 R38.

---
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.