# SDR UIEA2025011500064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2025
- Submitted: January 17, 2025
- Operation: Air carrier
- Aircraft: [N438GT](https://openairdocs.org/aircraft/N438GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30766
- Aircraft time: 90,768 hours, 16,765 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Condition: False Activation
- Location: Nr 3 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2025011500064

## Discrepancy

ANC TOWER ALERTED CREW OF ENG 3 FIRE.  CREW REPORTED NO FIRE OR OVERHEAT INDICATION. AHM DID NOT REPORT FIRE OR OVERHEAT CONDITION. A/C RETURNED TO BLOCKS.(<P>PERFORMED OPEN COWL GVI OF ENG 3 & ENG 4. NO DEFECTS NOTED. ACCOMPLISHED ENG FIRE INSPECTION PER 72-00-00 AND VISUAL INSPECTION OF BORESCOPE PLUGS FOR INSTALLATION & SECURITY. PERFORMED FIRE SYSTEM TEST, NO DEFECTS NOTED. PERFORMED GROUND ENG RUN ON ENGINES 3 & 4,  ALL INIDCATIONS NORMAL, NO LEAKS / FAULTS NOTED. </P>)

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