# SDR K11A2024071600269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2024
- Submitted: July 22, 2024
- Operation: Air carrier
- Aircraft: [N734CK](https://openairdocs.org/aircraft/N734CK), registered now
- Make and model: Boeing 737436
- Aircraft serial: 25858
- Aircraft time: 55,180 hours, 37,201 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Flap System
- Condition: Faulted
- Stage of operation: AP
- How discovered: V
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2024071600269

## Discrepancy

PROBLEM DESCRIPTION: TRAILING EDGE FLAP ASYMMETRY LEFT FLAP INDICATE UP & RIGHT FLAP INDICATES L1, SLATS DID NOT EXTEND WHEN FLAP HANDLE WAS MOVED TO #1 DETENT. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: FOUND #3 FLAP TRANSMISSION TORQUE TUBE COUPLING DISENGAGED. INSPECTED TORQUE TUBE IAW B737 AMM 27-51-00. RE-ENGAGED AND SECURED TORQUE TUBE COUPLING IAW B737 AMM 27-57-64, PERFORMED OPS CHECK OF TRAILING EDGE FLAP SYSTEM IAW B737 AMM 27-51-00 OPS CHECK GOOD.

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