SDR ANCF2017050901

Service difficulty report · Acm · Boeing 7878

Difficulty date: May 9, 2017
Submitted: May 10, 2017
Operation: Air carrier
Aircraft: N785AV
Make and model: Boeing 7878
Aircraft serial: 37507
Aircraft time: 7,816 hours, 1,145 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Condition: Failed
Location: Right
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

DURING CLIMB, A RT PACK ANNUNCIATION ILLUMINATED, THE CHECK LIST WAS PERFORMED AND RESET WAS SUCCESSFUL. THEN PACK MODE R MODE ANNUNCIATION APPEARED, AND FINALLY RT PACK COMPLETE MALFUNCTION OCCURED. THE AIR CYCLE MACHINE WAS REPLACED.

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