# SDR KCSA2021052109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2021
- Submitted: May 21, 2021
- Operation: Air carrier
- Aircraft: [N762CK](https://openairdocs.org/aircraft/N762CK), registered now
- Make and model: Boeing 767-3P6
- Registry model: [Boeing 767-3P6](https://openairdocs.org/model/boeing-767-3p6) (OpenAirDocs)
- Aircraft serial: 26236
- Aircraft time: 90,711 hours, 27,631 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Slat System
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2021052109

## Discrepancy

LE SLAT DISAGREE. PERFORMED FLAP SLAT ELECTRONIC UNIT BITE AND FOUND FAULT CODE 27-51104 TRAILING EDGE DISAGREE INTERMITTENT. RESET FAULT. PERFORMED OPERATIONS CHECK OF LEADING EDGE FLAPS/SLATS THROUGH FULL CYCLES IN NORMAL MODE. ALL CHECKS GOOD REFERENCE FAULT ISOLATION MANUAL 27-51 FAULT TREE 809 AND AMM 27-51-00

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