# SDR UPS03M40882

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2003
- Submitted: June 25, 2003
- Operation: Air carrier
- Aircraft: N270UP
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48576
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Failed
- Location: Cabin
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS03M40882

## Discrepancy

CLIMBING THROUGH 26000 FT,  CABIN SMOKE LEVEL 3 ALERT ILLUMINATED. 1 SENSOR TOP DECK.  MECHANIC FOUND NR 3 SENSOR SHOWING FAILED.  0 STOCK MECHANIC DEFERRED IAW MEL REF M2 61900.

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