# SDR UIEA200400153

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2004
- Submitted: September 27, 2004
- Operation: Air carrier
- Aircraft: [N409MC](https://openairdocs.org/aircraft/N409MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 30558
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Control Panel
- Part number: 233U3214300
- Condition: Dirty
- Location: Fire Detection
- 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/UIEA200400153

## Discrepancy

HKG/ICN - AFTER TAKEOFF CLIMBING THROUGH 13,000 FEET, HAD INDICATION OF MAIN DECK CARGO FIRE.  NO EICAS, NO WARNING BELL, JUST OVERHEAD SWITCH.  IT WAS RAINING VERY HARD AND HIGH MOISTURE CONTENT IN AIRCRAFT.  DEEP CLEANED MAIN DECK CARGO FIRE SWITCH.  PERFORMED CMC GROUND TEST PASS PER MM 26-16-00.  (M)

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