# SDR ABXA080055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2008
- Submitted: February 18, 2008
- Operation: Air carrier
- Aircraft: N986AX
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47543
- Aircraft time: 54,966 hours, 51,469 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Relay
- Part number: 920710296
- Part serial: MD3239
- Condition: Overheated
- Location: Stab Trim
- Stage of operation: IN
- How discovered: V
- Nature of condition: M
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA080055

## Discrepancy

WHILE SETTING STABILIZER, CIRCUIT BREAKER FOR PRIMARY TRIM TRIPPED.  WHILE INVESTIGATING ISSUE, FOUND STABILIZER TRIM RELAY AND WIRING TO RELAY SHOWED SIGNS OF OVERHEATING.  REPLACED UP TRIM RELAY R20-16 AND RE-TERMINATED ALL WIRES GOING TO R20-16 DUE TO OVERHEAT DAMAGE.  PRIMARY TRIM, OPS CHECK GOOD IAW DC9 MM CHAPTER 27.

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