# SDR FDEA202302210322

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 21, 2023
- Submitted: March 2, 2023
- Operation: Air carrier
- Aircraft: [N572FE](https://openairdocs.org/aircraft/N572FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48755
- Aircraft time: 80,764 hours, 17,418 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Rib
- Part number: ARB19548
- Condition: Cracked
- Location: Zone 600
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202302210322

## Discrepancy

WHILE CARRIED OUT INTERNAL BORESCOPE INSPECTION ON RIGHT HAND NUMBER 8 SLAT   LOOSE RIVETS AREA (SNRM N00487), FOUND THE SLAT INTERNAL RIB CRACK AT STATION XOS   1141.221. CRACKED RIB AT RIGHT HAND NUMBER 8 SLAT LOOSE RIVETS AREA (SNRM N00487) INTERNAL   STATION XOS 1141.221 REPAIRED AS PER EA # 1-5750-T0373039 P1 TITLE: WINGS - FLIGHT   SURFACES - RH WING SLAT NO.8 - 12EA RIBS FOUND CRACKED - FABRICATION AND   REPLACEMENT - RSC TRACKING. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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