# SDR AALA2019062549062

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2019
- Submitted: June 25, 2019
- 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: 61,454 hours, 23,144 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Contactor
- Part number: 558CA04A30Y00
- Condition: Faulty
- Location: Electrical
- Stage of operation: CL
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019062549062

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO ORD ON ACCOUNT OF ELECTRICAL SYSTEM ISSUE. EMERGENCY DECLARED. FLIGHT NOT OVERWEIGHT AND LANDED WITHOUT INCIDENT. ALSO, APU AUTO-SHUTDOWN AFTER APPROX. 10 MINUTES OF OPERATION. MAINTENANCE TROUBLESHOT IAW TSM 24-00-00-810-819-A. REMOVED AND REPLACED GLC 1 (9XU1) IAW AMM 24-22-55. RAN BOTH ENGINES AND TAXIED THE A/C FOR OVER 30 MINUTES. OPS CHECK GOOD. COULD NOT DUPLICATE FAULTS. PERFORMED OPS CHECK OF APU IAW AMM 49-00-00. OPS CHECK GOOD AT THIS TIME.

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