# SDR 0400789874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2004
- Submitted: May 17, 2004
- Operation: Air carrier
- Aircraft: N783NC
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 48108
- Aircraft time: 58,505 hours, 54,520 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Duct
- Part number: 5919526508
- Condition: Damaged
- Location: Rt Wing Slat
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0400789874

## Discrepancy

DURING SLAT EXTENSION ON APPROACH, THE AIRCRAFT ROLLED RIGHT WITH THE SLAT DISAGREEMENT LIGHT ILLUMINATED.  INITIATED COM PROCEDURES WHEN CREW HEARD A THUD AND THE LIGHT EXTINGUISHED.  LANDING AT MSP WAS NORMAL.  MAINTENANCE REPLACED THE T-DUCT, O-RINGS, SLIDERS, AND PACKINGS ON SLAT SIDE BUSHING ASSEMBLY.  AIRCRAFT RETURNED TO SERVICE.

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