# SDR UIEA2019123086154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2019
- Submitted: January 3, 2020
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 89,975 hours, 19,163 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284F
- Part serial: 1368
- Condition: Failed
- Location: Nr 2 Generator
- Stage of operation: IN
- How discovered: 9
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019123086154

## Discrepancy

NR 2 GENERATOR DRIVE LIGHT INOPERATIVE.  REMOVED AND REPLACED THE NR 2 GCU IAW MM 24-22-02. RUN OK, LIGHT OK.

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