# SDR ASAA12511437

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2012
- Submitted: April 23, 2012
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 7,980 hours, 2,501 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Switch
- Condition: Malfunctioned
- Location: Control Column
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA12511437

## Discrepancy

ON CLIMBOUT, STAB TRIM BECAME INOPERATIVE ON RUNNING QRH PROCEDURE FOUND STAB TRIM CONTROL CIRCUIT BREAKER POPPED.  DIVERSION TIME: 28 MINUTES.  DISCONNECTED ELECTRONIC CONNECTOR CAPT CONTROL CUTOUT SWITCH.  CIRCUIT BREAKER REMAINS CLOSED WITH ELECTRONIC STAB MOVEMENT.  R & R CAPTAIN`S CONTROL COLLUMN SWITCH IAW 27-41-51-400-801.  OPS CHECK OF CAPTS COLUMN CUTOUT SWITCH IAW 27-41-710-801.  SATISFACTORY STAB TRIM MOTOR TEST IAW AMM 27-41-71-700-801.   STAB TRIM MOTOR TEST 22-11-601-701-801, PERFOMED SATISFACTORY.   STAB TRIM CONTROL CIRCUIT BREAKER REMAINS CLOSED THROUGHOUT TEST.

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