# SDR DHL97742002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N742DH
- Make and model: Boeing 727225
- Aircraft serial: 21290
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Switch
- Part number: 106081917
- Condition: Iced Up
- Location: Nr 4 Le Flap
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL97742002

## Discrepancy

NR 4 LEADING EDGE FLAP WILL NOT RETRACT.  FOUND EXCESSIVE ICE BUILT UP ON BOTTOM OF SLAT.  REMOVED ICE CYCLED FLAPS NUMEROUS TIMES.  OPS CHECK GOOD, IAW B727 M/M 27-51-6.

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