# SDR FDEA202503180435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2025
- Submitted: March 19, 2025
- Operation: Air carrier
- Aircraft: [N523FE](https://openairdocs.org/aircraft/N523FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48479
- Aircraft time: 93,403 hours, 19,559 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Part number: ARB18776
- Condition: Cracked
- Location: Nr 7 Slat
- Component: Rib, Doug
- Component part number: ARB18776
- 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/FDEA202503180435

## Discrepancy

RIGHT HAND WING: UPON BORESCOPE INSPECTION ON NUMBER: 7 SLAT LOOSE FASTENER   INNER RIBS, CRACK FOUND ON INNER RIB (REFER TO SPECIAL / NONROUTINE MAINTENANCE   FORM: N00255) AT STATION XOS 968.159. RIGHT HAND WING NUMBER 7 SLAT CRACK AT INNER RIB AT STATION XOS 968.159 REPAIR   CARRIED OUT AS PER EA# 1-5750-T0382658P1 TITLE: WINGS - FLIGHT SURFACES - RH WING - #7   SLAT ASSY - CRACK RIBS - LOCAL FABRICATION - RSC TRACKING. REPAIR CLASSIFIED AS MAJOR   PER GMM 6-2-100.

---
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.