# SDR UPS04M42931

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2004
- Submitted: August 20, 2004
- Operation: Air carrier
- Aircraft: [N276UP](https://openairdocs.org/aircraft/N276UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft time: 52,671 hours, 5,857 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Structure
- Condition: Corroded
- Location: Zone 300
- 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/UPS04M42931

## Discrepancy

INSPECTION TYPE:C, LEFT HORIZONTAL STAB NR 29 BARREL NUT FOUND CORROSION ON BOTTOM BEARING & S/W SURFACE.  CORROSION AT BARREL NUT HOLE NR 29 LT, REMOVED & REAMED TO 1.178 INCH & BLEND TO 0.030 INCH DEEP, FOUND OUT OF LIMIT.  FAB SLEEVE & REPAIR BUSHING PER EO MD11-5510-19409-G.  PR1422B2 SEALANT APPLIED PER EN:1186-04.  REPAIR SLEEVE BUSHING INSTALLED AT BARREL NUT HOLE NR 29 LT.  REPAIR CUTOUT AT BARREL NUT HOLE NR 29 LT FOUND WITHIN LIMIT PER EO MD11-5510-19409-G & EN1186-04.

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