# SDR UIEA2024122401183

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2024
- Submitted: December 24, 2024
- Operation: Air carrier
- Aircraft: [N473MC](https://openairdocs.org/aircraft/N473MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27174
- Aircraft time: 119,019 hours, 21,457 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: PPC120000
- Part serial: 3859
- Condition: False Activation
- Location: Zone 100
- Stage of operation: AP
- 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/UIEA2024122401183

## Discrepancy

ON ARRIVAL, FIRE CGO AFT EICAS MSG, FIRE NOT SUSPECTED. LOOP FAILURES NOTED(<P>R/R SMOKE DETECTORS EQUIPMENT #9129, 9123, 9119 & 9133 IAW AMM 26-16-01/401 & IPC 26-16-00-02N. OPS CHK GOOD.</P>)

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