# SDR 08FDEA01389

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2008
- Submitted: April 14, 2008
- Operation: Air carrier
- Aircraft: N311FE
- Make and model: Doug DC-10-30F
- Registry model: [Doug DC-10-30F](https://openairdocs.org/model/mcdonnell-douglas-dc-10-30f) (OpenAirDocs)
- Aircraft serial: 46871
- Aircraft time: 86,065 hours, 23,582 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Smoke Detector
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CR
- 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/08FDEA01389

## Discrepancy

CABIN SMOKE WARNING, TWO TIMES.  FIRST TIME IN CLIMB PASSING FL310.  BRIEF FLASH OF MASTER WARNING THEN  WENT AWAY.  4-5 MIN LATER LEVEL AT FL330 GOT 2ND  MASTER WARNING AND CABIN SMOKE FOR ABOUT 10 SECS.  LANDED AT KPDX.  FIRE DEPARTMENT INSPECTION NO INDICATION OF HEAT.  PER MX TURNOVER CREW REPORTED AREA 2 OF UPPER DECK WAS AREA CAUSING INPUT DURING FLIGHT.  REMOVED AND  REPLACED ALL NR 2 AREA DETECTOR UNITS PER MM 26-15-00.  REMOVED AND REPLACED MSC PER MM 26-15-00.  ALL OPS CKS C/W SYSTEM CKS NORMAL.  ALSO CHECKED EACH VIA IN COMMAND MODE PER MM 26-15-01, OPS CK NORMAL.

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