# SDR TSAA0231174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2002
- Submitted: August 21, 2002
- Operation: Air carrier
- Aircraft: [N739AL](https://openairdocs.org/aircraft/N739AL), registered now
- Make and model: Boeing 737-73A
- Registry model: [Boeing 737-73A](https://openairdocs.org/model/boeing-737-73a) (OpenAirDocs)
- Aircraft serial: 28500
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Display
- Part number: 4081600930
- Condition: Failed
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0231174

## Discrepancy

DURING CLIMB TO CRUISE ALTITUDE THE ALTIMETER INDICATION, SPEED INDICATION, FLIGHT MODE ANNUNCIATOR, VOR 1, AND DME 1 ANNUNCIATOR FLAGS ILLUMINATED ON THE FIRST OFFICERS DISPLAY UNIT.  BOTH ENGINES NR 1 AND NR 2 EEC LIGHT ILLUMINATED.  AIRCRAFT DIVERTED AND LANDED IN HNL WITH NO FURTHER INCIDENT.  MAINTENANCE REPLACED THE NR 2 DISPLAY ELECTRONICS UNIT.  THE OPC SOFTWARE WAS LOADED AND BITE CHECKS WERE COMPLETED IAW MM.  OVERWEIGHT LANDING INSPECTION WAS ACCOMPLISHED AND THE AIRCRAFT RETURNED TO SERVICE.

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