# SDR UIEA2026102300993

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 12, 2026
- Submitted: October 23, 2026
- Operation: Air carrier
- Aircraft: [N472MC](https://openairdocs.org/aircraft/N472MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27062
- Aircraft time: 133,815 hours, 22,718 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- 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/UIEA2026102300993

## Discrepancy

CARGO FIRE AFT MASTER WARNING AFTER LANDING.  PERFORMED LWR CARGO SMOKE DETECTION OPS TEST, TEST PASSED IAW AMM 26-16-00.

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