# SDR ASMF201611016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2016
- Submitted: November 3, 2016
- Operation: Air carrier
- Aircraft: N904AM
- Make and model: Boeing 737752
- Aircraft serial: 28262
- Aircraft time: 33,558 hours, 15,869 cycles
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Sensor
- Part number: 834003
- Condition: Failed
- Location: Flap System
- Part time: 33,558 hours, 15,869 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201611016

## Discrepancy

CAPTAIN REPORTED THAT DURING CRUISE AT 400 FL, LE FLAPS TRANSIT AND FULL EXTEND SLAT NUMBER 1 LIGHTS ILLUMINATED. MAINTENANCE PERFORMED BITE TO FSEU IAW FIM 27-51 TASK 801 PROCEDURE, SHOWING FAILURE AT POSITION SENSOR OF SLAT NUMBER 1; SO THE PROXIMITY INBOARD SENSOR OF SLAT NUMBER 1 WAS REPLACED IAW AMM 27-88-11 AND SLAT PROXIMITY TEST WAS PERFORMED IAW MM 27-88-11, TESTED CORRECT.

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