# SDR FDEA2020010970033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2020
- Submitted: February 14, 2020
- Operation: Air carrier
- Aircraft: [N576FE](https://openairdocs.org/aircraft/N576FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48501
- Aircraft time: 83,314 hours, 19,387 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Part number: ARB71283
- Condition: Cracked
- Location: Lt Wing Slat
- 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/FDEA2020010970033

## Discrepancy

LEFT WING - NUMBER 1 LEADING EDGE SLAT CRUISE PERFORMANCE FILLET RIB FOUND CRACK   AT STATION XIS 150.74 LEFT WING - NO 1 LEADING EDGE SLAT CRUISE PERFORMANCE FILLET CRACKED RIB AT   STATION XIS 150.74 CARRIED OUT REPAIR AS PER SRM 57-40-71-2R FIGURE 201 REPAIR 1.   REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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