# SDR TRBA2011353002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2011
- Submitted: December 19, 2011
- Operation: Air carrier
- Aircraft: [N540AM](https://openairdocs.org/aircraft/N540AM), registered now
- Make and model: Aerosp ATR 72-212A
- Registry model: [Aerosp ATR 72-212A](https://openairdocs.org/model/aerospatiale-atr-72-212a) (OpenAirDocs)
- Aircraft serial: 540
- Aircraft time: 23,017 hours, 26,703 cycles
- System (JASC): [2432 · Battery/Charger System](https://openairdocs.org/jasc/2432)
- Part: Contactor
- Part number: SM150D19
- Condition: Inoperative
- Location: Battery
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TRBA2011353002

## Discrepancy

THE CREW REPORTED THE LT EMERGENCY BATTERY "ESI" DOESN'T ILLUMINATE WHEN BATTERY SWITCH ON, LIGHT DOES FUNTION WHEN TEST. THE ACFT WAS REMOVED FROM SERVICE.  R & R CONTACTOR FIN 52PA IAW JIC 24-00-00. THE OPS CHECK WAS GOOD. THE ACFT WAS RETURNED TO SERVICE.

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