# SDR FXTA20260617001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2026
- Submitted: August 20, 2026
- Operation: Air carrier
- Aircraft: [N701BA](https://openairdocs.org/aircraft/N701BA), registered now
- Make and model: Textrn 408
- Aircraft serial: 4080036
- Aircraft time: 789 hours, 1,308 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Flex Drive
- Part number: 991434478
- Condition: Failed
- Location: Kflap
- Part time: 789 hours, 1,308 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FXTA20260617001

## Discrepancy

LH AND RH OUTBOARD FLAP FLEX SHAFT RUBBER CASE FAILING AT THE CRIMP UNDER STAINLESS STEEL OUTER WRAP. THIS SEPARATION ALLOWS THE OUTER CASE TO LENGTHEN AND THE INNER DRIVE SHAFT CAN SLIDE LEFT AND RIGHT TO THE POINT THE DRIVE COMES OUT OF THE JACKSCREW CAUSING THE FLAP TO TWIST.

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