# SDR UIEA2021042801015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2021
- Submitted: April 30, 2021
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 83,847 hours, 12,456 cycles
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Pressure Switch
- Condition: Malfunctioned
- Location: Fuel System
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021042801015

## Discrepancy

L AFT PUMP PRESS LT REMAINED ON WITH SWITCH ON BEFORE START.  AFTER A/NC & CYCLING SWITCH BACK TO  PRESS LIGHT WENT OUT.   T/S PER FIM 28-22 FT 819,  REMOVED LH AFT FUEL PRESSURE SWITCH TO BLEED PRESSURE SENSE LINE PER FIM. REINSTALLED LH AFT FUEL PRESSURE SWITCH AND OPS CHECKED IAW AMM 28-42-01. OPS CHECK GOOD, PRESSURE LIGHT FUNCTIONS CORRECTLY. THIS CLEARS DMI 146049, PLACARD REMOVED.

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