# SDR EISA99144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N6819
- Make and model: Boeing 727223
- Aircraft serial: 19494
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Failed
- Location: Cockpit
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/EISA99144

## Discrepancy

DURING PREFLIGHT, SMOKE IN COCKPIT COOLING DUCT COLLAPSED CAUSING NR 1 TRANSFORMER TO OVERHEAT.  REPLACED NR 1 T/R.  (M)

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