# SDR CA010313024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2001
- Submitted: March 20, 2001
- Operation: General aviation
- Make and model: Cessna 172L
- Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (OpenAirDocs)
- Aircraft time: 2,881 hours
- Engine: Lyc O320E2D
- Propeller: Mcauly 1C160CTM
- System (JASC): [2431 · Battery Overheat Warning System](https://openairdocs.org/jasc/2431)
- Part: Battery
- Condition: Failed
- Location: Main Battery
- Stage of operation: CR
- How discovered: O
- Nature of condition: H, G, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA010313024

## Discrepancy

(CAN) PILOT ENCOUNTERED COMPLETE (GREATER THAN 50 PERCENT) ELECT. FAILURE IN FLT. AFTER ATTEMPTING TO GET A/C RADIOS TO TRANSMIT/RECEIVE, PILOT SQUAKED RADIO FAILURE CODE. FURTHER ATTEMTPS AT GETTING OTHER ELECT. SYSS TO FUNCTION,  PILOT FOUND THAT ALL ELECT. SYS WAS UNSERVICEABLE. A/C RETURNED TO POINT OF DEPTR & THEN CONTACTED TOWER ON LAND LINE.AFTER BRIEF INSP , FOUND THAT A/C BATTERY COMPLETELY DISCHARGED. BATTERY (NEW & INST NOV.2000) ELECTROLYTE LEVEL INSP OK, BATTERY CHARGED OVERNIGHT. AFTER BATTERY CHARGED, GROUND RUN/FUNCTION CHECKED. NOTED WITH CHARGING SYS COMPLETELY LOADED UP, CHARGE IND. WEAK. SUSPECT BATTERY VOLTAGE INITY LOW & CHARGING SYS UNABLE TO KEEP UP WITH DE

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