# SDR UIEA2023091500835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2023
- Submitted: September 18, 2023
- Operation: Air carrier
- Aircraft: [N450PA](https://openairdocs.org/aircraft/N450PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30808
- Aircraft time: 94,188 hours, 15,889 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Seal
- Part number: 1347M32G09
- Part serial: NA
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023091500835

## Discrepancy

#4 OIL QTY DECREASING IN FLIGHT 1 QUART PER 20 MIN(<P>PERFORMED ENGINE DRAIN INSPECTION IAW AMM 71-71-00, FOUND OIL LEAKING FROM HMM DRAIN LINE. R/R CARBON SEAL AT AGB IAW AMM 72-64-02. R/R HHM IAW AMM 73-21-14. PERFORMED IDLE LEAK CHECK TEST #3 & #12 EEC ACTUATOR GROUND TEST, NO LEAK NOTED. LEAK CHECK GOOD. OPS CHK GOOD. </P>)

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