# SDR U2RA2026022400031

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2026
- Submitted: February 24, 2026
- Operation: Air carrier
- Aircraft: [N729CA](https://openairdocs.org/aircraft/N729CA), registered now
- Make and model: Boeing 747446
- Aircraft serial: 25068
- Aircraft time: 100,490 hours, 17,281 cycles
- Engine: Ge CF680C
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Warning Message
- Condition: False Activation
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/U2RA2026022400031

## Discrepancy

DURING TAXI, EICAS MESSAGE FIRE APU - APU FIRE BOTTLE DISCHARGED. - UPON INSPECTION, NO EVIDENCE OF FIRE. APU PLACED ON A DEFERRED MAINTENANCE ITEM PER MINIMUM EQUIPMENT LIST 49-11-01-01.

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