# SDR AALA202608262383

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2026
- Submitted: August 27, 2026
- Operation: Air carrier
- Aircraft: [N920AN](https://openairdocs.org/aircraft/N920AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29521
- Aircraft time: 66,752 hours, 27,678 cycles
- System (JASC): [2781 · Leading Edge Slat Position Indicating System](https://openairdocs.org/jasc/2781)
- Part: Proximity Sensor
- Part number: 189929
- Condition: Faulted
- Location: Zone 500
- 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/AALA202608262383

## Discrepancy

AIRCRAFT WAS GROUNDED: IMMEDIATELY AFTER TAKEOFF RECEIVED LE EDGE FLAP TRANSIT LIGHT. HIGH SPEED AND LOW SPEED AWARENESS TAPES APPEARED. PLI CAME DOWNWITH FLAPS 1 AND AIRSPEED BETWEEN 158. FIRST OFFICER NOTICED A SLIGHT STICK SHAKER MOMENTARILY. EVEN WHEN LOWERING NOSE AND INCREASE AIRSPEED PLI NEVER DISAPPEARED. COMPLIED WITH LE EDGE FLAPTRANSIENT PROCEDURE AND RETURNED TO CLT. EMERGENCY DECLARED AND AIRCRAFT LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED F2 EXTEND PROX SENSOR S171 IAW AMM 27-88-11.

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