# SDR AMTA200700051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2007
- Submitted: February 8, 2007
- Operation: Air carrier
- Aircraft: N552TZ
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 32586
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Condition: Unknown
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200700051

## Discrepancy

APU AUTO SHUTDOWN DUE TO LOW OIL QTY APPROX 2 HOURS IN TO FLIGHT.  INSPECTED APU OIL FILLER CAP, ALL LINES AND TAIL PIPE FOR SIGNS OF LEAK AND NO LEAKS WERE FOUND.  RAN APU FOR 4 HOURS AND NO LEAKS WERE NOTED.  PERFORMED BITE AND NO FAULTS FOUND.  (M)

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