SDR O2JA201801310001

Service difficulty report · Unknown · Lear 35A

Difficulty date: January 30, 2018
Submitted: January 31, 2018
Operation: Air carrier
Aircraft: N989AL
Make and model: Lear 35A
Aircraft serial: 35A228
Aircraft time: 20,450 hours, 14,166 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: Cabin
Stage of operation: AA
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

UPON TESTING ANTI-ICE AT 39,000, OUTSIDE AIR - 38C, A VERY STRONG SMELL OF SMOKE AND "BURNT POPCORN" FILLED THE CABIN. WING HEAT REACHED MIDDLE GREEN, STAB HEAT BARELY ENTERED THE GREEN. TESTED EACH NAC HEAT INDIVIDUALLY NO SMELL STAB/WING SMELL CAME BACK STRONGLY.

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