# SDR UPS08652348

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 25, 2008
- Submitted: May 27, 2008
- Operation: Air carrier
- Aircraft: [N319UP](https://openairdocs.org/aircraft/N319UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27758
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Thermal Switch
- Condition: Inoperative
- Location: Lt Bleed Duct
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: J, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS08652348

## Discrepancy

INSPECTION TYPE:ETOP ATB - DUCT LEAK LIGHT ILLUM.  EICAS MSG:  LEFT BLEED DUCT LEAK DISPLAYED.  FUEL DUMPED.  REPLACED M691 CONTROL CARD PER MM 26-10-01-4.  REPLACED S236 THERMAL SWITCH PER MM 26-18-01-4.  REMOVED AND REPLACED S237 THERMAL SWITCH PER MM 26-18-01-4.

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