# SDR AALA202201181731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2022
- Submitted: January 19, 2022
- Operation: Air carrier
- Aircraft: [N887NN](https://openairdocs.org/aircraft/N887NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31141
- Aircraft time: 29,764 hours, 12,236 cycles
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Control Panel
- Part number: 4082730901
- Part serial: 3219
- Condition: Faulty
- Location: Zone 200 - Fuse
- Part time: 29,770 hours, 12,238 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: G, I
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202201181731

## Discrepancy

AIRCRAFT WAS GROUNDED: CLIMBING PAST 10,000 FT, BOTH NAVIGATION DISPLAYS BLANKED FOR APPROXIMATELY 1-2 MINUTES; FLIGHT RETURNED TO FIELD AND LANDED WITHOUT FURTHER INCIDENT. REPLACED #1 DISPLAY ELECTRONICS UNIT (AALA202201174591) WITH SERVICEABLE UNIT IAW AMM 31-62-21 AND REPLACED ELECTRONIC FLIGHT INSTRUMENTATION SYSTEM CONTROL PANEL WITH SERVICEABLE UNIT IAW AMM 31-62-12, OPS CHECK GOOD.

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