# SDR UIEA2025011900089

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2025
- Submitted: January 21, 2025
- Operation: Air carrier
- Aircraft: [N487MC](https://openairdocs.org/aircraft/N487MC), registered now
- Make and model: Boeing 747-45EF
- Registry model: [Boeing 747-45EF](https://openairdocs.org/model/boeing-747-45ef) (OpenAirDocs)
- Aircraft serial: 30609
- Aircraft time: 98,464 hours, 18,017 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7900 · Engine Oil System (Airframe Furnished)](https://openairdocs.org/jasc/7900)
- Part: Packing
- Part number: J221P904
- Condition: Leaking
- Location: Pressure Switch
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025011900089

## Discrepancy

ENG 2 OIL QTY DROPPED FROM 20Q TO 9Q, FOLLOWED BY A DROP FROM 8 TO 7 TO 6 ABOUT EVERY HALF HOUR.  FOUND ENG #2 LOW PRESSURE WARNING SWITCH PACKING INSTALLED IN WRONG POSITION. INSTALLED NEW PACKING PER AMM 79-33-01 PERFORMED ENG #2 POWER PER AMM 71-00-00. AMM ENG INDICATIONS LEAK CHECK GOOD.

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