# SDR YENA2025112801128

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2025
- Submitted: January 13, 2026
- Operation: Air carrier
- Aircraft: [N2169J](https://openairdocs.org/aircraft/N2169J), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11695
- Aircraft time: 7,589 hours, 1,405 cycles
- Engine: Iae PW1133GAJM
- Engine time: 7,589 hours, 1,405 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 1718201
- Part serial: AAPT001490
- Condition: Failed
- Location: Nr 1
- Part time: 16,351 hours, 4,047 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/YENA2025112801128

## Discrepancy

FLT 133, BOS-SFO. (ETOPS), ELEC GEN1 FAULT ILLUMINATED IN FLIGHT RESETS WERE NOT SUCCESSFUL ( ENGINE DRIVEN GENERATOR CHANNEL (IDG, GCU, LINE CONTACTOR) IDG NOT DISCONNECTED ); PERFORMED OPS CHECK OF ENG 1 IDG IAW AMM 24-21-51. OPS CHECK GOOD , MDDR CLEARED,  MX 4 UPDATED. MOC NOTIFIED. ORIGINAL SUBMISSION DATE: 11/28/2025.

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