# SDR 99ZZZX1119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N45HJ](https://openairdocs.org/aircraft/N45HJ), registered now
- Make and model: Piper PA-60-601P
- Registry model: [Piper PA-60-601P](https://openairdocs.org/model/piper-pa-60-601p) (OpenAirDocs)
- Aircraft serial: 61P060379632
- System (JASC): [2460 · DC Power Distribution System](https://openairdocs.org/jasc/2460)
- Part: Relay
- Part number: 584076
- Condition: Failed
- Location: Battery Box
- Part time: 880 hours
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1119

## Discrepancy

BATTERY MASTER RELAY PRIMARY COIL FAILED (SHORTED), HAD NO CIRCUIT PROTECTION.  CONTROL WIRE TOOK HEAVY CURRENT AND BURNED THE LENGTH OF FUSELAGE TO MASTER SWITCH AND THEN TO GROUND.  RELAY HAD DAMAGE FROM HEAVY CURRENT DRAW.  INSPECTED WIRE BUNDLE, REPLACED WIRE WITH NEW.  REPLACED RELAY AND DIODES WITH NEW.

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