# SDR ASAA2021041634594

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2021
- Submitted: April 19, 2021
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 48,334 hours, 14,459 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Condition: Malfunctioned
- Location: Captain'S
- Stage of operation: NR
- 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/ASAA2021041634594

## Discrepancy

CAPTAIN PFD HAS FD DISPLAYED IN AMBER AND CAPTAIN F/D WILL NOT ENGAGE. GROUNDED - YES. PERFORMED INSPECTION BEHIND P18-1 PANEL WITH NO DISCREPANCIES. PERFORMED C/B CYCLE OF CAPT'S DFCS PER B737-800 AMM 20-60-05. PERFORMED GOOD LRU REPLACEMENT TEST PER AMM 22-11-34-740-801. PERFORMED GOOD LAND VERIFY TEST PER AMM 22-11-00-700-801. ALL REQUIRED LLM TESTS PASSED.

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