# SDR HALA0100100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2001
- Submitted: May 17, 2001
- Operation: Air carrier
- Aircraft: [N603DC](https://openairdocs.org/aircraft/N603DC), registered now
- Make and model: Doug DC-9-51
- Registry model: [Doug DC-9-51](https://openairdocs.org/model/mcdonnell-douglas-dc-9-51) (OpenAirDocs)
- Aircraft serial: 47784
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Trim Motor
- Part number: 95906
- Part serial: 956
- Condition: Failed
- Location: Stabilizer
- Part time: 25,472 hours
- Stage of operation: CL
- 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/HALA0100100

## Discrepancy

HNL - FLT 139 - PRIMARY TRIM FAILED ON CLIMB, SECONDARY TRIM WORKED NORMALLY.  PRIMARY TRIM DID WORK INTERMITTENTLY AFTER INITIAL FAILURE.  REPLACED PRIMARY TRIM MOTOR PER MM 27-40-1-401.  OP CHECK OK.  (M)

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