# SDR 97ZZZX3501

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N77PF](https://openairdocs.org/aircraft/N77PF), registered now
- Make and model: Beech 100BEECH
- Aircraft serial: B70
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Start Control
- Part number: 1003641781
- Condition: Burned
- Location: Air Cond System
- Stage of operation: NR
- Nature of condition: M
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3501

## Discrepancy

INVESTIGATION FOR INOPERABLE AIR CONDITIONER FOUND BREAKER WOULD NOT RESET.  IN ADDITION, RADAR WIRING, WAVE GUIDE, AND AIR CONDITIONER CONTROL BOX AND WIRES MELTED.  FOUND THE 1-AMP CIRCUIT BREAKER TO THE A/C CONTROL BOX HAD BEEN REPLACED WITH A 2-AMP BREAKER.  PROTECTION FOR AIR CONDITIONER START CONTROL WAS LOST CAUSING RESISTOR TO OVERHEAT AND DAMAGE OTHER COMPONENTS.  SUBMITTER STATED IMPROPER PARTS REPLACEMENT COULD CAUSE A POTENTIAL FIRE PROBLEM.

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