# SDR 2025FA0000791

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2025
- Submitted: December 1, 2025
- Operation: General aviation
- Aircraft: [N18KK](https://openairdocs.org/aircraft/N18KK), registered now
- Make and model: Cessna 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (OpenAirDocs)
- Aircraft serial: 5072224
- Aircraft time: 820 hours, 1 cycles
- Engine: Cont O200A
- Engine time: 820 hours, 1 cycles
- Propeller: Mcauly 1A101HCM
- System (JASC): [2436 · DC Regulator](https://openairdocs.org/jasc/2436)
- Part: Volt Regulator
- Part number: DGR61
- Part serial: 81245439
- Condition: Defective
- Location: Zone 100
- Part time: 6 hours, 1 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: H, B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025FA0000791

## Discrepancy

VOLTAGE REGULATOR FAILURE IN FLIGHT RESULTED IN OVERVOLTAGE CONDITION. CAUSED BATTERY OVERHEATING/SWELLING AND COMMUNICATION RADIO FAILURE. NO FIRE OR SMOKE NOTED. PART INSTALLED PER AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT LANDED SAFELY WITH LOSS OF COMMUNICATIONS.

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