SDR UIEA2020090101906

Service difficulty report · A/C Pack · Boeing 76731A

Difficulty date: August 31, 2020
Submitted: September 1, 2020
Operation: Air carrier
Aircraft: N662GT
Make and model: Boeing 76731A
Aircraft serial: 27619
Aircraft time: 77,739 hours, 15,441 cycles
System (JASC): 2150 · Cabin Cooling System
Part: A/C Pack
Condition: Malfunctioned
Location: Left
Stage of operation: TX
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

LEFT AC PACK NOT COOLING PROPERLY VERY DIFFICULT TO MAINTAIN CABIN TEMP ON GROUND ,,REF PREV WRITE UP ON PAGE 1140366(<P>INSPECTED LEFT A/C PACK COMPONENT BITE IS DONE ON BOTH ZONE TEMP CONTROL UNIT AND LEFT PACK TEMP CONTROL,PACK AND TRIM VALVES OPERATIONAL CHECK PREFORMED NO FAULTS FOUND AT THIS TIME PER AMM 21-51-00</P>)

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