# SDR FDEA201509303009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2015
- Submitted: October 1, 2015
- Operation: Air carrier
- Aircraft: [N591FE](https://openairdocs.org/aircraft/N591FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48527
- Aircraft time: 740 hours, 15,403 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Charger
- Part number: 100021201
- Part serial: 1206
- Condition: Failed
- Location: Battery
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201509303009

## Discrepancy

30 MIN INTO FLIGHT, AT FL 370 RECEIVED LEVEL ONE BATTERY DISCHARGE FOR 10 - 15 SECONDS, FOLLOWED BY BATTERY CHARGE FOR 5 SECONDS.  BATTERY SHOWED 29V & CHARGED TO 31 VOLTS & REMAINED THERE TILL SHUTDOWN.  BATTERY DISCHARGE ALERT CLEARED AFTER BATTERY CHARGE TO 31 VOLTS.  DURING PERIOD OF BATTERY CHARGING RECEIVED AURAL TIRE FAILURE 3X  CONFIG PAGE NORMAL.  R & R BATTERY CHARGER IAW AMM 24-34-03-4, ALSO R & R TWO SHIP BATTERIES IAW AMM 24-34-02-4.  REFERENCE MTSI 24-00 7935, R & R ACFT MODULAR POWER UNIT IAW AMM 24-33-03-4 AS A PRECAUTION, DUE TO HISTORY.  BATTERY CHARGES & SHUTS DOWN NORMALLY IAW AMM 24-34-03-5, ALL INDICATIONS NORMAL.

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