# SDR HALA208051700236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2018
- Submitted: May 17, 2018
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 55,995 hours, 10,430 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Malfunctioned
- Stage of operation: DE
- 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/HALA208051700236

## Discrepancy

AT 2800 FT , JUST AFTER GLIDESLOPE CAPTURE FOR ILS WITH CTR AUTOPILOT ENGAGED, AUTOPILOT ABRUPTLY PITCHED DOWN TOWARD F/D, COMMAND INDICATING 8 DEG. NOSE DOWN. AUTOPILOT NAV DISCONNECTED MANUALLY TO MAINTAIN AIRCRAFT CONTROL. GLIDESLOPE INDICATION SHOWED ON GLIDESLOPE THROUGH OUT. PERFORMED MCDP TEST 30 AND 40 IAW MM 22-00-02, NO FAULT NOTED. OK FOR SERVICE.

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