# SDR UPS07M50693

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2007
- Submitted: September 21, 2007
- Operation: Air carrier
- Aircraft: [N289UP](https://openairdocs.org/aircraft/N289UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48455
- Aircraft time: 75,126 hours, 12,047 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Structure
- Condition: Corroded
- Location: Horizontal Stab
- 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/UPS07M50693

## Discrepancy

INSPECTION TYPE:C HORZ STAB CONSTANT SECTION BARREL NUT BORE RIGHT NR 15 FOUND WITH CORROSION.  CORROSION REMOVED PER SRM 51-21-01 VII R38.  BORE BOTTOM SURFACE REMN BLEND OUT 0.065" DEEP.  BORE REAMED TO 1.067 INCH DIA, REMN BLEND OUT 0.050 INCH DEEP, FOUND EXCEED LIMITS PER EO-MD11-5510-19409-L. 10X MAGNIFICATION INSP C/O, FOUND NO CORROSION.  REPAIR SLEEVE BUSHING FAB & PROTECTED.  SEALANT APPLIED & SLEEVE BUSHING INSTALLED.  REPAIR C/O AT BARREL NUT BORE 15 IS ACCEPTABLE.

---
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.