# SDR FDEA202301160113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2023
- Submitted: January 16, 2023
- Operation: Air carrier
- Aircraft: [N621FE](https://openairdocs.org/aircraft/N621FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48792
- Aircraft time: 69,076 hours, 17,786 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Part number: ARB18773
- Condition: Cracked
- Location: Lt Nr 7 Slat
- 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/FDEA202301160113

## Discrepancy

WHILE CARRYING OUT INTERNAL BORESCOPE INSPECTION ON LEFT HAND NUMBER 7 SLAT   LOOSE RIVETS AREA (SNRM N00517) , FOUND THE SLAT INTERNAL RIB CRACK AT STATION XOS   963.009.  RIB AT LEFT HAND NUMBER 7 SLAT INTERNAL AT STATION XOS 963.009 AREA REPAIRED   AS PER EA# 1-5750-T0372632 A P1.  REPAIR   CLASSIFIED AS MAJOR PER GMM 6-2-100.

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