# SDR FDEA200903281094

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2009
- Submitted: March 30, 2009
- Operation: Air carrier
- Aircraft: N372FE
- Make and model: Doug MD-10-10F
- Registry model: [Doug MD-10-10F](https://openairdocs.org/model/mcdonnell-douglas-md-10-10f) (OpenAirDocs)
- Aircraft serial: 46610
- Aircraft time: 84,838 hours, 34,444 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Fouled
- Location: Nr 2 Acm
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA200903281094

## Discrepancy

APPROX 20 MINUTES AFTER TAKEOFF, SMOKE AND FUMES WERE DETECTED IN THE COCKPIT.  APPEARED TO BE ELECTRICAL IN ORIGIN.  PREVIOUS TO THIS,  NR 1 PACK WAS INDICATING -21F AND GETTING COLDER.  NR 2 PACK WAS OFF AND WAS TURNED BACK ON.  THEN NR 1 PACK WAS TURNED OFF.  QRH PROCEDURE FOR SMOKE/FUMES COMPLETED, DIVERTED.  INSPECTED BOTH FWD AVIONICS BAY & CAC FOR EVIDENCE OF SMOKE.  NONE FOUND.  INSPECTED BEHIND FLT DECK C/B  PANELS FOR EVIDENCE OF SMOKE.  NONE FOUND.  INSPECTED COALESCER BAGS & FOUND NR 2 ACM FILTER FOULED.  UNABLE TO GET TURBINE BYPASS VALVE FUNCTIONING ON  NR 1 PACK.  PLACED NR 1 & 2 PACK ON MEL.   REPLACED COALESCER BAGS, NR1 PACK TURBINE BYPASS VALVE AND RAM AIR INLET DOOR ACTUATOR.

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