SDR ASOA04152

Service difficulty report · Acm · Cndair CL6002B19

Difficulty date: February 24, 2004
Submitted: April 22, 2004
Operation: Air carrier
Aircraft: N919EV
Make and model: Cndair CL6002B19
Aircraft serial: 7780
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Part number: 78279015
Condition: Odor
Location: Air Conditioner
Stage of operation: DE
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

FLT 4650 - DURING DESCENT INTO DFW AND MLU, THE CREW NOTICED A BURNING ODOR DURING POWER CHANGES WITH THE PACK ON THE ENGINE BLEEDS AND WHEN SWITCHING BLEEDS FROM ENGINES TO THE AUXILIARY POWER UNIT. THE ODOR WAS STRONG DURING POWER CHANGES OR BLEED SWITCHING FOR A FEW SECONDS AND THEN DIMINISHED. THE AIRCRAFT LANDED SAFELY IN DFW. MAINTENANCE REMOVED AND REPLACED THE LEFT AIR CYCLE MACHINE. OPS AND LEAK CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)