SDR IPXA2018122197078

Service difficulty report · Unknown · Doug MD11F

Difficulty date: December 19, 2018
Submitted: December 21, 2018
Operation: Air carrier
Aircraft: N256UP
Make and model: Doug MD11F
Aircraft serial: 48405
Aircraft time: 85,133 hours, 17,798 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: B
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIR TURN BACK DUE TO FUMES IN THE COCKPIT DURING CLIMBOUT. TROUBLESHOT IAW FIM 49-00-26-00. NO DEFECTS NOTED. INSPECTED ENGINES, HYD COMPONENTS, PACKS, AND RECIRCULATION FANS. NO FAULTS FOUND. REPLACED ALL THREE PACKS COALESCER BAGS IAW MM 21-54-05. RAN ENGINES AT HIGH POWER WITH NO FUMES OR ODOR IN COCKPIT.

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