# SDR UPS08M53102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2008
- Submitted: August 21, 2008
- Operation: Air carrier
- Aircraft: N283UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48484
- Aircraft time: 53,491 hours, 10,475 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Condition: Cracked
- Location: Lt Wing
- 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/UPS08M53102

## Discrepancy

INSPECTION TYPE:C LT WING LOWER WINGLET FWD RIB FOUND CRACKED AS MARKED.  CRACKED REMOVED PER SRM 51-31-01 V2 R40.  NEW RIB FAB PER BOEING DRAWING ARB7774 USING MATL 7075-0-0.040".  RIB HEAT TREATED TO T6 PER DPS7.001 HARDNESS HRB80.1 PER DPS1.053.  NEW RIB HOLES P/UP&NEW RIB PROTECTED PER SRM51-21-01 V2 R40.  NEW RIB INSTALLED PER SRM 51-31-01 V2 R40.  PAINT TOUCH UP ON REPAIRED AREA PER SRM 51-21-02 V2 R40.

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