# SDR AALA202408199239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2024
- Submitted: August 19, 2024
- Operation: Air carrier
- Aircraft: [N912AN](https://openairdocs.org/aircraft/N912AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29513
- Aircraft time: 64,049 hours, 26,278 cycles
- System (JASC): [2200 · Auto Flight System](https://openairdocs.org/jasc/2200)
- Part: Control Panel
- Part number: 4082260939
- Part serial: 99041723
- Condition: Faulty
- Location: Zone 200
- Part time: 1,215 hours, 549 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202408199239

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: MODE CONTROL PANEL WENT BLANK IN FLIGHT. CAPTAIN'S FLIGHT DIRECT WORKED BUT THERE IS NO WAY TO CONFIRM ALTITUDE, HEADING, COURSE OR VERTICAL SPEED; AIRCRAFT DIVERTED TO AND SAFELY AT IAD. TROUBLESHOT PER FIM 22-11-00-810-817, REMOVE AND REPLACE MODE CONTROL PANEL. INSTALLATION TEST AND IBIT TEST GOOD. PER 22-11-34.

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