# SDR P5CA2020052100162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 18, 2020
- Submitted: May 21, 2020
- Operation: Air carrier
- Aircraft: [N452PA](https://openairdocs.org/aircraft/N452PA), registered now
- Make and model: Boeing 747-46NF
- Registry model: [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf) (OpenAirDocs)
- Aircraft serial: 30810
- Aircraft time: 80,450 hours, 13,637 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Part number: 2156756A
- Part serial: 20303B
- Condition: False Activation
- Location: Main Deck
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2020052100162

## Discrepancy

EICAS WARNING "FIRE MN DK MID" DURING CRUISE.  VISUALLY VERIFIED FALSE.                                              ITEM 2: CARGO "CGO DET 8 MN DK" STATUS MESSAGE. (<P STYLE="MARGIN: 0IN; MARGIN-BOTTOM: .0001PT;"><SPAN>ITEM 1: ITEM UNABLE TO DUPLICATE, / PLEASE SEE ITEM 2.</SPAN></P><P STYLE="MARGIN: 0IN 0IN 0.0001PT;"><SPAN>ITEM / 2: CHECKED & FOUND CMC MSG #26325.  FOLLOWED FIM 26-16 TASK 870.  / REMOVED AND REPLACED WITH NEW SMOKE DETECTOR ON THE M/D ZONE 8 LOOP B IAW AMM / 26-14-01/401, AND CHECKS OK.  MCC NOTIFIED.</SPAN></P>)

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