SDR SWIA202507070004

Service difficulty report · A/C Pack · Cndair CL6002B19

Difficulty date: July 4, 2025
Submitted: July 7, 2025
Operation: Air carrier
Aircraft: N454SW
Make and model: Cndair CL6002B19
Aircraft serial: 7749
Aircraft time: 41,718 hours, 37,471 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Odor
Location: Zone 100
Stage of operation: NR
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

BURNING SMELL FOR 1-2 MINUTES COMING FROM CAPTAINS SIDE COCKPIT VENT. ONCE WE IDENTIFIED IT WAS COMING FROM CA SIDE VENT, SMELL STARTED TO GO AWAY ON ITS OWN WITHOUT ANY INTERVENTION. REFER TO ML 30434357 FOR REMOVAL AND REPLACEMENT OF THE LH AIR CYCLE MACHINE (ACM). NO BURNING SMELLS WERE DETECTED IN THE FLIGHT STATION WHILE PERFORMING OPERATIONAL CHECKS OF THE AIR CONDITIONING SYSTEM.