# SDR ASAA2019021228169

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2019
- Submitted: February 20, 2019
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 42,770 hours, 12,885 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019021228169

## Discrepancy

AFTER START ON RECALL "FLT CONT" LIGHT "ON" AND "MACH TRIM" AND AUTO SLAT" FAIL LIGHT "ON" ON OVERHEAD. ALL LIGHTS RESET WITH MASTER CAUTION RESET BUTTON. GROUNDED - YES. RESET SYSTEM AND RE-RAN SPEED TRIM TEST, OPS CHECK GOOD. RAN BITE LIBRARY TESTS IAW AMM 22-11-00-740-806, OPS CHECK GOOD. RAN LRU REPLACEMENT TEST FOR FCC IAW AMM TASK 22-11-33-400-801/SUBTASK 22-11-33-740-001, OPS CHECK GOOD. NO HISTORY LAST 30 DAYS, AIRCRAFT IS AUTOLAND AND HGS CAT III QUALIFIED.

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