SDR UIEA2018022500275

Service difficulty report · Warning Message · Boeing 76736N

Difficulty date: February 25, 2018
Submitted: February 26, 2018
Operation: Air carrier
Aircraft: N1093A
Make and model: Boeing 76736N
Aircraft serial: 30111
Aircraft time: 76,917 hours, 10,077 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Message
Condition: False Activation
Location: Lt A/C Pack
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

AFTER ENGINE START, LEFT PACK EICAS MESSAGE. COMPLIED WITH QRH. FOUND RAM AIR INLET DOOR ACTUATOR FAULTED ON PACK TEMP CONTROLLER. CLEARED FAULT, RAN BITE TEST IAW MM 21-51-14, NO FAULTS FLAGGED. RAN LT PACK IN AUTO ON FULL HOT NO DEFECTS NOTED. GOOD FOR SERVICE.

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