# SDR UIEA2026042100229

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N853GT](https://openairdocs.org/aircraft/N853GT), registered now
- Make and model: Boeing 747-87UF
- Registry model: [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf) (OpenAirDocs)
- Aircraft serial: 37572
- Aircraft time: 58,919 hours, 8,701 cycles
- Engine: Ge GENX2B67B
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil Cap
- Condition: Unsecure
- Location: Nr 3 Engine
- Stage of operation: CL
- 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/UIEA2026042100229

## Discrepancy

ENG 3 OIL SYS STATUS MSG IN FLIGHT. OIL PRESSURE 24 PSI IN CRUISE.  NR 3 ENG OIL FILL CAP FOUND OPEN. CLOSED CAP REF AMM 12-13-03. PERFORMED IDLE ENG RUN, OIL PRESSURE INDICATION NORMAL. NO FAULTS NOTED REF AMM 71-00-00.</P>)

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