# SDR 95ZZZX6024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Und Aerospace, repair station OG5R092N](https://openairdocs.org/faa-repair-station/OG5R092N/und-aerospace.md) (OpenAirDocs)
- Aircraft: N3038V
- Make and model: Beech 400BEECH
- Aircraft serial: RK93
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Relay
- Part number: KCD2A
- Condition: Failed
- Location: Ap Pitch Trim
- Part time: 575 hours
- Stage of operation: NR
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/95ZZZX6024

## Discrepancy

AIRCRAFT HAS EXPERIENCED 3 DIFFERENT AUTOPILOT PITCH TRIM PROBLEMS AT AIRCRAFT TOTAL TIMES OF 164.1 HOURS, 311.7 HOURS, AND 886.3 HOURS.  SAMPLE PROBLEMS ARE 'TRIM HORN BEEPS ON A/P ENGAGEMENT' OR 'A/P PITCH TRIM FAIL LIGHTS INTERMITTENTLY'.  TRIM SPEED ALSO SLOWS UP BEFORE FAILURE.  ALL PROBLEMS WERE TRACED TO GROUP OF 3 RELAYS IN TRIM RELAY BANK.  THESE ARE 3 OF 4 FAILURES IN 2 A/C FLEET.

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