# SDR DALA2024060405769

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2024
- Submitted: June 4, 2024
- Operation: Air carrier
- Aircraft: [N902DN](https://openairdocs.org/aircraft/N902DN), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 62780
- Aircraft time: 18,218 hours, 7,310 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Control Unit
- Part number: 8221567102
- Part serial: 174XH4
- Condition: Inoperative
- Location: Autopilot
- Part time: 88,640 hours, 29,809 cycles
- 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/DALA2024060405769

## Discrepancy

SHIP 3902 -ATB- DUE TO AUTOPILOT UNABLE TO ENGAGE AND ALTITUDE HOLD STUCK AT 7K. CORRECTIVE ACTION: REPLACED AUTOPILOT MODE CONTROL PANEL

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