# SDR FDEA202204291086

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2022
- Submitted: April 29, 2022
- Operation: Air carrier
- Aircraft: [N574FE](https://openairdocs.org/aircraft/N574FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48499
- Aircraft time: 93,630 hours, 22,104 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Coalescer Bag
- Part number: 1879421
- Part serial: NA
- Condition: Dirty
- Location: N/A
- Stage of operation: CL
- How discovered: V
- Nature of condition: B
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202204291086

## Discrepancy

PASSING 20,000 FEET ON DEPARTURE, SMOKE IN THE  COCKPIT. DECLARED EMERGENCY. COMPLIED WITH QRH.  RTB. ONCE WE DEPRESSURIZED THE COCKPIT, SMOKE WENT  AWAY.     FIRE DET 1 FAULT ALERT UNDER MAINTENANCE  MENU.      ***EMERGENCY DECLARED***   PERFORMED PACK BURN OUT PER AMM 21-53-00-7 AND REPLACED COALESCE BAGS FOR ALL 3 PACKS, REFERENCE   WRI 21-50/2149.

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