# SDR SWAA040436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2004
- Submitted: February 18, 2004
- Operation: Air carrier
- Aircraft: [N675AA](https://openairdocs.org/aircraft/N675AA), registered now
- Make and model: Boeing 737-3A4
- Registry model: [Boeing 737-3A4](https://openairdocs.org/model/boeing-737-3a4) (OpenAirDocs)
- Aircraft serial: 23253
- Aircraft time: 57,808 hours, 50,774 cycles
- System (JASC): [2823 · Fuel Selector/Shut-Off Valve](https://openairdocs.org/jasc/2823)
- Part: Wire
- Part number: W38801020
- Condition: Shorted
- Location: Junction Box
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA040436

## Discrepancy

AIRTURN BACK, SHORTLY AFTER TAKEOFF FELT A LIGHT VIBRATION AND THEN SMOKE AND FUMES IN COCKPIT.  SMOKE SMELLED ELECTRICAL AND DISIPATED ALMOST IMMEDIATELY.  VIBRATION ALSO CEASED.  FOUND DISCONNECT D970 SHORTED TO GROUND AND WIRES W388-010-20 AND W388-027-20 BURNED IN JUNTION BOX AT BS 720R.  SPLICED NEW WIRES AND REPLACED D970 CONNECTOR PER MM.  ALSO, REMOVED AND REPLACED P5-2 FUEL SYSTEM MODULE PER MM.

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