SDR P5CA2020120100389

Service difficulty report · A/C Pack · Boeing 7673JHF

Difficulty date: November 30, 2020
Submitted: December 3, 2020
Operation: Air carrier
Aircraft: N644GT
Make and model: Boeing 7673JHF
Aircraft serial: 37810
Aircraft time: 20,092 hours, 4,709 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: A/C Pack
Condition: Malfunctioned
Location: Cockpit Temp
Stage of operation: CR
How discovered: O
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

ITEM NR 3 THOUGHOUT FLIGHT, THE FLIGHT DECK TEMP SELECTOR HAD TO BE POSITIONED AT A COOLER SETTING TO MAINTAIN TEMP AT AROUND 20 DEG C. LAST HOUR OF FLT, TEMP SELECTOR WAS AT ALMOST FULL COLD TO MAINTAIN 20 DEG C. RECYCLED PACK TEMP CONT RELATED C/BS. PACKS OPERATION CHECKS NORMAL, PER AMM 21-51-00/501.

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