# SDR PIDA20050174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2005
- Submitted: October 11, 2005
- Operation: Air carrier
- Aircraft: [N371PA](https://openairdocs.org/aircraft/N371PA), registered now
- Make and model: Boeing 737306
- Aircraft serial: 23543
- Aircraft time: 36,452 hours, 27,249 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Actuator
- Part number: AR6460M2
- Condition: Malfunctioned
- Location: Autopilot Trim
- Stage of operation: NR
- How discovered: O
- Nature of condition: F, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/PIDA20050174

## Discrepancy

ALTITUDE OCCASIONALLY CLIMBS 300 FEET WITH STAB OUT OF TRIM LIGHT (LEAVES FLIGHT DIRECTOR).  REPLACED AUTO PILOT STAB TRIM ACTUATOR PER MM 22-11-81.  OPS CHECKS GOOD PER MM 22-11-81.

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