# SDR 98FDEA00417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N270FE](https://openairdocs.org/aircraft/N270FE), registered now
- Make and model: Boeing 727233
- Aircraft serial: 22035
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Switch
- Part number: 40173
- Condition: Failed
- Location: Nr 4 Le Flap
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98FDEA00417

## Discrepancy

98-0160  STA-IND: AFTER TAKEOFF AND INITIAL CLEAN UP, PASSING THROUGH 10,000 FEET FROM THE ACCELERATION TO CLIMB SPEED, THE FRONT AMBER LEADING EDGE WARNING CAME ON.  PER POSITION INDICATION SHOWED THE NR 4 LEADING EDGE DEVICE AS CONSTANTLY YELLOW IN TRANSIT.  AT FLAPS 15 EVERYTHING WORKED NORMAL, POSITION GREEN.  RETURNED TO DEPARTURE BASE.  REMOVED AND REPLACED NR 4 LEADING EDGE FLAP MICROSWITCH PER MAINTENANCE MANUAL 27-82-1 OPERATES NORMAL.  OK FOR SERVICE.

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