# SDR HAEA200400158

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 20, 2004
- Submitted: July 22, 2004
- Operation: Air carrier
- Aircraft: N330TW
- Make and model: Lear 24E
- Registry model: [Lear 24E](https://openairdocs.org/model/gates-lear-jet-24e) (OpenAirDocs)
- Aircraft serial: 330
- Aircraft time: 11,670 hours, 10,802 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Autopilot Sys
- Condition: Malfunctioned
- Location: Cockpit
- Part time: 11,670 hours, 10,802 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HAEA200400158

## Discrepancy

AIRCRAFT PITCHES DOWN WHEN AUTOPILOT IS ENGAGED (ALT HOLD). THE FLIGHT DIRECTOR DOES THE SAME THING , EVEN WITH THE AUTOPILOT TURNED OFF. REPAIRED SHOULDER PORT DRAIN CAN SYSTEM AND REMOVED FLIGHT DIRECTOR FOR REPAIR. INSTALLED FLIGHT DIRECTOR AFTER REPAIR. OPERATIONAL CHECK GOOD. (CLOSED)

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