# SDR UIEA2018032200451

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2018
- Submitted: March 28, 2018
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- Aircraft time: 85,175 hours, 18,083 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Pressure Switch
- Part number: 38760483
- Part serial: 9742031514U
- Condition: Failed
- Location: Generator
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018032200451

## Discrepancy

APU AUTO SHUTDOWN,  GENERATOR FILTER MESSAGE ON ECU.   PERFORMED FIM 49-11, FT 969,  NO FAULTS NOTED, IAW AMM 49-27-03 REMOVED AND REPLACED THE GENERATOR SCAVENGER FILTER.  REMOVED AND REPLACED GEN PRESSURE DIFFERENTIAL SWITCH IAW AMM 49-20-07. APU OPS CHECKED NORMAL.

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