# SDR SCNA20260928411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N842SY](https://openairdocs.org/aircraft/N842SY), registered now
- Make and model: Boeing 737-8K5
- Registry model: [Boeing 737-8K5](https://openairdocs.org/model/boeing-737-8k5) (OpenAirDocs)
- Aircraft serial: 37244
- Aircraft time: 40,594 hours, 14,127 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Director
- Condition: Malfunctioned
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20260928411

## Discrepancy

BOTH FLIGHT DIRECTORS DISAPPEARED ON SHORT FINAL WHILE FLYING AN ILS.  PERFORMED DFCS BITE REF FIM 22-11 TASK 801. FOUND FAULT FOR FLIGHT DIRECTOR. PERFORMED DFCS (DIGITAL FLIGHT CONTROL SYSTEM) FLIGHT DIRECTOR TEST. TEST FAILED. REMOVED AND REPLACED MODE CCONTROL PANEL IAW AMM 22-11-34. PERFORMED LRU TEST FOR MODE CONTROL PANEL REPLACEMENT. REF FIM 22-11 TASK 802. PERFORMED LAND VERIFY. REF AMM 22-11-00-700-801. OPS CHECK GOOD. OK FOR SERVICE.

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