# SDR UPS07M51261

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2007
- Submitted: December 7, 2007
- Operation: Air carrier
- Aircraft: [N292UP](https://openairdocs.org/aircraft/N292UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48566
- Aircraft time: 42,234 hours, 60,105 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Structure
- Condition: Corroded
- Location: Horiz Stab
- 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/UPS07M51261

## Discrepancy

INSPECTION TYPE:C RT HOR STAB NR 36 BARREL NUT HOLE FOUND CORRODED.  CORROSION AT BARREL NUT BORE REMOVED PER SRM 51-21-01 V.2.R35.  BARREL NUT BORE REAM FURTHER TO 2.586" DIA & BOTTOM MACHINE DOWN TO 0.075" PER EN168 9-07.  BARREL NUT BORE BOTTOM & BLEND OUT PERIPHERY RADIUS, SMOOTHEN & PROTECTED PER SRM 51-21-01V.2R.35.  REP SLEEVE BUSHING FAB & PROTECTED PER EO MD1 1-5510-19409-L.  REP C/OUT AT NR 36RT BORE IS ACCEPTABLE PER EN1689-07.

---
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.
