SDR DALA1163289884

Service difficulty report · A/C Pack · Doug DC951

Difficulty date: November 11, 2011
Submitted: November 14, 2011
Operation: Air carrier
Aircraft: N677MC
Make and model: Doug DC951
Aircraft serial: 47756
Aircraft time: 3,046 hours, 2,738 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Overheated
Location: Right
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

A/C 9884 FLT 1246 FAR-MSP: RIGHT PACK OVERHEATING DID NOT REACT TO AUTO SELECTION, WENT TO MANUAL TO CONTROL. RIGHT PACK HAD OVERHEATED WITH SMOKE IN THE CABIN. FLIGHT RETURNED TO FAR, LANDING UNEVENTFULLY. REPLACED RIGHT COALESCER BAG, RIGHT CABIN TEMP SENSOR AND RIGHT TEMP CONTROLLER. CHECKS OK.

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