# SDR CALA2016051895372

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2016
- Submitted: May 18, 2016
- Operation: Air carrier
- Aircraft: [N811UA](https://openairdocs.org/aircraft/N811UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 847
- Aircraft time: 59,808 hours, 24,475 cycles
- Engine: Iae V2522A5
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Battery
- Condition: Faulty
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: H
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2016051895372

## Discrepancy

AFTER TAKEOFF THE CAPTAIN LOST MAP, TR1 IN AMBER WITH THE LOSS OF NAV1 & INTERMITTENT  LOSS OF NAV SYS ON CAPTAINS SIDE.  CREW REPORTS LOSING THE NR 1 BATTERY WITH VOLTAGE AT 23VDC & DECREASING.  ON ARRIVAL NR 1 BATTERY VOLTAGE WAS IN AMBER WITH 95 AMP SHOWING.  DC BATTERY WAS IN AMBER COLOR TOO.  REPLACED BATTERY NR 1 IAW MM TASK 24-38-51-000-001-A.  ALL INDICATIONS NORMAL.

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