# SDR UPS08M52846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2008
- Submitted: July 28, 2008
- Operation: Air carrier
- Aircraft: N296UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48474
- Aircraft time: 61,716 hours, 8,567 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: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08M52846

## Discrepancy

INSPECTION TYPE-C,  RT HORIZ STAB BARREL NUT BORE NR1 FOUND CORRODED     EXISTING SLEEVE BUSHING REMOVED IAW EO MD11-5510-19409M. CORROSION AT BORE REMOVED IAW SRM 51-21-01 VII REV 35. BORE REAM TO 1.549" DIA, REMAINING BLEND OUT 0.050" DEEP, BOTTOM SURFACE CLEANED & REMAINING MAT'L THK CHK MIN. 0.290" THICK. BORE FOUND EXCEEDING LIMITS IAW EO.  REPAIRED B/N BO RE NR 01RH WAS ACCOMP IAW EN 1186-08 & IS ACCEPT IAW EO MD11-5510-30008A.

---
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.