# SDR HALA2012041100122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2012
- Submitted: April 16, 2012
- Operation: Air carrier
- Aircraft: [N476HA](https://openairdocs.org/aircraft/N476HA), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55118
- Aircraft time: 17,411 hours, 42,063 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Control Unit
- Part number: 846D1007
- Part serial: 355
- Condition: Intermittent
- Location: Stab Trim
- Part time: 8,281 hours, 19,512 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2012041100122

## Discrepancy

PRIMARY STAB TRIM FAILURE.  REPLACED TRIM BRAKE RELAYS R2-830 & R2-831, AMM 27-41-02. REPLACED PRIMARY STAB TRIM DAV UNIT IAW MM 27-41-01.  OPS CHECKED OK IAW AMM 27-41-10.  REPLACED TRIM MOTOR RELAYS R20-15 & R20-16 IAW AMM27-41-03.  OPS CHECKED OK IAW AMM27-40-06.

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