# SDR UIEA2024121901174

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2024
- Submitted: December 23, 2024
- Operation: Air carrier
- Aircraft: [N419MC](https://openairdocs.org/aircraft/N419MC), registered now
- Make and model: Boeing 747-48EF
- Registry model: [Boeing 747-48EF](https://openairdocs.org/model/boeing-747-48ef) (OpenAirDocs)
- Aircraft serial: 28367
- Aircraft time: 115,964 hours, 20,125 cycles
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Start Valve
- Part number: 32911723
- Part serial: 658
- Condition: Malfunctioned
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: G, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024121901174

## Discrepancy

1. STARTER CUTOUT 2 EICAS AT CRUISE   W/ ENG 2 START VLV STATUS MSG      2. ENG #4 N1 COMMAND BAR FLUCTUATING(<P>T/S AND PERFORMED WIRING CHK BTWN #2 STARTER VALVE & EEC THEN HARNESS CHKS NORMAL. FOUND #2 STARTER VALVE NOT FULLY CLOSED. REMOVED & REPLACED #2 STARTER VALVE THEN OPS CHKD NORMAL PER AMM 80-11-02 & AIPC 80-11-02-02. MSG ERASED.<SPAN STYLE="WHITE-SPACE: PRE;"> </SPAN></P> / <P> </P>)

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