# SDR AALA2018060819013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2018
- Submitted: July 2, 2018
- Operation: Air carrier
- Aircraft: [N183UW](https://openairdocs.org/aircraft/N183UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1539
- Aircraft time: 57,823 hours, 21,747 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Idg
- Part number: 740119H
- Part serial: 3631
- Condition: Low Pressure
- Location: Nr 1
- Part time: 23,348 hours, 13,610 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2018060819013

## Discrepancy

FLIGHT DEPARTED, AND HAD AN IDG FAIL AFTER TAKE OFF.  THE APU WAS ALREADY ON PLACARD. THE FLIGHT RETURNED TO DEPARTURE.   AN EMERGENCY WAS DECLARED.   NR 1 ENGINE INTEGRATED,  DRIVE GENERATOR HAD LOW OIL PRESSURE AND SHUT DOWN THE IDG. REPLACED THE NR 1 ENGINE IDG IAW MM 24-21-51. OPS CHECKED GOOD.

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