# SDR 2001UALA00454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2001
- Submitted: April 27, 2001
- Operation: Air carrier
- Aircraft: N365UA
- Make and model: Boeing 737322
- Aircraft serial: 24534
- Aircraft time: 36,506 hours, 21,155 cycles
- Engine: Ge CFM56*
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Le Flaps
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA00454

## Discrepancy

NR 3 LEADING EDGE FLAP INDICATION PROBLEM. SUPPLEMENTAL DATA UPDATE REPLACED LEADING EDGE FLAP EXTEND PROXIMITY SENSOR S173.

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