# SDR UIEA2021042701011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2021
- Submitted: April 28, 2021
- 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: 92,954 hours, 19,808 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Transmitter
- Part number: 87099GGE1
- Part serial: C730095
- Condition: Faulted
- Location: Oil Qty
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021042701011

## Discrepancy

APU OIL QTY IND INTERMITTANTLY DROPS BETWEEN 75% AND 25% DURING START, VERY SLOW TO SPOOL UP THEN ABORTS START.(<P>REMOVE AND REPLACED APU OIL QTY TRANSMITTER REF AMM 49-94-04. OPS CHECK OK, LEAK CHECK OK.</P>)

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