# SDR TWAA0002203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2000
- Submitted: May 10, 2000
- Operation: Air carrier
- Aircraft: [N920TW](https://openairdocs.org/aircraft/N920TW), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49369
- Aircraft time: 43,718 hours, 22,335 cycles
- System (JASC): [2197 · Air Conditioning System Wiring](https://openairdocs.org/jasc/2197)
- Part: Wire
- Condition: Shorted
- Location: Lt A/C Pack
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0002203

## Discrepancy

DURING PUSHBACK THE LEFT PACK FAN POPPED TWO CB''S.  FOUND LT HEAT EXCHANGER WIRES SHORTED.  WIRES CAPPED AND STOWED AND SYSTEM PLACARD.  *S/D*  FOUND THE PACK COOLING FAN WIRES WERE CHAFING AGAINST THE HEAT EXCHANGER HOUSING.  WIRES WERE SPLICED AND SYSTEM REACTIVATED.

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