# SDR UPS07M50467

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2007
- Submitted: August 20, 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): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Rt Wing
- 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/UPS07M50467

## Discrepancy

INSPECTION TYPE:C RIGHT WING FIXED WING L/E INTERIOR AREA APPROX STA XOS 667 FOUND RIB CRACKED.  CRACKED RIB REMOVED (REF C/N: MD072549, STEP FOR WORK DETAILS).  NEW RIB FAB PER DWG ARB2930-20.  RIB HEAT - TREATED PER DPS 7.00-1 & HARDNESS VALUE HRB 81.7 PER DPS1.05-3.  HOLE PICKED UP SRM 51-31-01 VII R38.  NEW RIB REPROTECTED AND PAINTED SRM 51--21-01 VII R38.  RIB INSTALLED REF C/N: MD072549 FOR WORK DETAILS.

---
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.