# SDR SWAA2023120427101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2023
- Submitted: December 4, 2023
- Operation: Air carrier
- Aircraft: [N459WN](https://openairdocs.org/aircraft/N459WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32497
- Aircraft time: 63,359 hours, 37,923 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Motor
- Part number: UNKNOWN
- Condition: Faulty
- Location: Zn 200 Fus Top
- 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/SWAA2023120427101

## Discrepancy

ON CLIMB OUT; STAB TRIM WOULD NOT TRIM NOSE UP.<[01] REMOVED AND REPLACED M1659 IAW M/M 27-41-71 AND R850 IAW M/M 27-41-98. FOUND CONTACTS 15 AND 13 SHORTED INTERNALLY IN S245. REMOVED AND REPLACED S245 IAW M/M 27-51-63. REMOVED AND REPLACED D46044P AND SWPM 20-61-00. STAB TRIM SYSTEM TEST GOOD IAW M/M 27-41-00.

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