# SDR SWAA2024121878596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 17, 2024
- Submitted: December 18, 2024
- Operation: Air carrier
- Aircraft: [N448WN](https://openairdocs.org/aircraft/N448WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33721
- Aircraft time: 68,156 hours, 40,706 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Relay
- Condition: Failed
- Location: Zn 100 Fus Lower
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: D, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024121878596

## Discrepancy

SPEED TRIM TEMP FAIL THEN ELECTCTRIC TRIM FAIL<[01] R/R?D R64 RELAY AND STAB TRIM MOTOR REF AMM 27-41-71 AND FIM 27-41 TASK 804 OPS CHECK NORMAL. DFCS TESTS PASSED.

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