# SDR UPS08M52173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2008
- Submitted: May 7, 2008
- Operation: Air carrier
- Aircraft: N295UP
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48475
- Aircraft time: 62,294 hours, 8,296 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- 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/UPS08M52173

## Discrepancy

INSPECTION TYPE:C CABIN CORROSION ON SEAT TRACK CROWN AND FLANGE AT STA 824-865 X=-27.  CORROSION ON AFFECTED AREA REMOVED.  MATL THK:0.145 INCH (CROWN), MATL REMVD:0.060" (STA 859-861), MATL REMAINED:0.085 INCH FOUND OUT OF LIMIT.  DISCREPANT SEAT TRACK REMOVED SEAT TRACK FROM STA 781-869 X=-27 REWORKED.  HFEC INSP C/O ON TRIM OUT AREA, FOUND NO CRACK EVIDENT, NEW SEAT TRACK ON EXISTING SPLICE HAT-SECTION LOCATION FROM STA 781 TO 869 X=-27 INSTALLED PER SRM 51-31-01VIIR35.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.