SDR DALA2019042202572

Service difficulty report · Acm · Boeing 7572Q8

Difficulty date: April 20, 2019
Submitted: April 22, 2019
Operation: Air carrier
Aircraft: N707TW
Make and model: Boeing 7572Q8
Aircraft serial: 27625
Aircraft time: 81,373 hours, 22,085 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Condition: Seized
Location: Left
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

ON CLIMB OUT, DUE TO HAZY SMOKE IN THE COCKPIT, CREW DONNED OXYGEN MASKS AND RAN SMOKE AND FUMES CHECKLIST. FOUND LT ACM SEIZED RENDERING LT PACK INOPERATIVE. REPLACED THE LT ACM, RE-HEATER & LOW LIMIT VALVE. PERFORMED DUCT BURNOUT AND LEAK CHECKS. OK FOR SERVICE.

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