# SDR AALA201905069027

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2019
- Submitted: May 24, 2019
- Operation: Air carrier
- Aircraft: [N929AN](https://openairdocs.org/aircraft/N929AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30078
- Aircraft time: 57,310 hours, 23,648 cycles
- System (JASC): [2297 · Auto Flight System Wiring](https://openairdocs.org/jasc/2297)
- Part: Connector
- Condition: Faulty
- Location: Zone 300
- Stage of operation: CL
- How discovered: O
- Nature of condition: F, E
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201905069027

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTS THAT DURING CLIMBOUT FROM SJU WITH AUTOPILOT ENGAGED, A/C HAD 2 UNCOMMANDED ELEVATOR INPUTS WHICH SHOOK THE CONTROL COLUMNS. 1ST TIME WAS AT FL180 AND THE 2ND WAS AT FL260. MAINTENANCE CURRENTLY WORKING THIS EVENT.***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED CONNECTORS D1679 AND D1711 FOR ELEVATOR POSN SENS (M929) IAW SWPM 20-61-11 AND WDM 22-12-41 & WDM 22-12-31. ACCOMPLISHED ELEVATOR POSITION SENSOR TEST IAW AMM 22-11-30-710-801.OPS CHECK GOOD.***(CLOSED)

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