# SDR GTIA2021070535842

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2021
- Submitted: July 5, 2021
- Operation: Air carrier
- Aircraft: N533NK
- Make and model: Airbus A319-132
- Registry model: [Airbus A319-132](https://openairdocs.org/model/airbus-a319-132) (OpenAirDocs)
- Aircraft serial: 3393
- Aircraft time: 47,894 hours, 22,065 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2021070535842

## Discrepancy

COCKPIT LIGHT SHORTING OUT DURING CLIMBOUT. ALL INTERIOR LIGHTS PROGRESSIVELY BECAME WORSE.-R&R GCU1 IAW AMM 24-22-34. OP TEST OF GAPCU IS OK AT THIS TIME.

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