# SDR UIEA2020062301343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2020
- Submitted: June 23, 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: 91,259 hours, 19,434 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Condition: Underserviced
- Location: Left
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020062301343

## Discrepancy

LEFT GENERATOR DRIVE EICAS MESSAGE. ACCOMPLISHED NNC,  SERVICED THE LT IDG IAW AMM 12-13-03/301. PERFORMED AN OPS TEST IAW AMM 71-00-00-301. OPS TESTED GOOD IAW AMM 24-11-00-715.

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