# SDR YENA2024100401329

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2024
- Submitted: October 4, 2024
- Operation: Air carrier
- Aircraft: [N4077J](https://openairdocs.org/aircraft/N4077J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 11604
- Aircraft time: 3,258 hours, 492 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 767584M
- Part serial: AAAY023051
- Condition: Failed
- Location: Nr 2
- Part time: 3,258 hours, 492 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2024100401329

## Discrepancy

FLT#34, CDG-BOS. (ETOPS) 'T/S CFDS MSG: IDG 2 OIL LEVEL SENSOR / GCU 2; ACCOMPLISHED TSM TASK 24-22-00-810-832-A REMOVED AND REPLACED GCU #2 REF AMM 24-22-34 FAULT REMOVED OPS CHECK GOOD GROUND VERIFICATION OF ETOPS SIGNIFICANT SYSTEM ACCOMPLISHED VIA ENGINE #2 RUN AND CFDS. MCC MARIO #40696 NOTIFIED.'

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