# SDR SWAA2026061511618

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N8923Q](https://openairdocs.org/aircraft/N8923Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 42568
- Aircraft time: 6,734 hours, 3,588 cycles
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Switch
- Condition: Faulty
- Location: Zone 300
- Stage of operation: DE
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026061511618

## Discrepancy

STAB OUT OF TRIM LIGHT ILLUMINATED ON DESCENT. RAN QRH AND STABLIZER DID NOT RESPOND TO ELECTRIC TRIM IMPUTS. RAN STAB TRIM INOP QRH. MANUAL STAB TRIM OPS NORMALLY.   R & R STAB TRIM NOSE DOWN LIMIT SWITCH S145. COMPLETED STEPS (A) THRU (E)(1)(C) IAW AMM 27-41-94. FAULT STILL EXISTED.  R & R STAB TRIM MOTOR. COMPLETED STEPS (A) THRU STEPS (G)(5)(D). AT FLAPS FULLY UP & FLAPS FULLY DOWN STAB TRIM STILL WOULD NOT GO NOSE DOWN TO ELEC STOP. STAB TRIM WOULD GO NOSE DOWN TO ELEC STOP AT FLAPS 15. REPLACED S145 IAW AMM 27-41-94 ADJUSTMENT GOOD.  PERFORMED OPS CHK OF STAB TRIM LIMIT SWITCHES IAW AMM 27-41-94. PERFORMED SURFACE TEST SPEED/STAB TRIM TEST NR 60.32 IAW IFIM 22-11-00-810-D72, TEST PASSED.

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