# SDR UIEA2026091800883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 17, 2026
- Submitted: September 21, 2026
- Operation: Air carrier
- Aircraft: [N439GT](https://openairdocs.org/aircraft/N439GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30767
- Aircraft time: 101,833 hours, 18,428 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Filter
- Part number: 654T003514
- Condition: False Indication
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2026091800883

## Discrepancy

EICAS MESSAGE ENG 3 OIL FILTER DISPLAYED RAN QRH AND COMPLETED QRH SHUTDOWN ENG 3.  PERFORMED FIM TASK 71-00 & TASK A07 PER BLOCK 41. AFTER ENG RUN NO DEBRIS WAS FOUND; CONTINUED IN SERVICE. PERFORMED FIM TASK 79-00 FAULT TREE FIG 103. MSG CLEARED AND NO BLOCKAGE FOUND. PERFORMED ENG RUN PER AMM 71-00-00. LP 2039574 M7: OIL FILTER CHANGED PER AMM 79-21-07, SCAVENGE FILTER CHANGED PER AMM 79-21-04. CHKED SCAVENGE INLET SCREENS PER AMM 79-21-06. INSPECTED MCD PER AMM 79-21-05. SENT FINDINGS TO PPE. PERFORMED IDLE LEAD CHK PER AMM 71-00-00, NO LEAK FOUND. NO FURTHER DEFECTS NOTED.

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