Service difficulty report · A/C Pack · Cessna 750

Difficulty date
July 6, 2026
Submitted
July 7, 2026
Operation
Air carrier
Aircraft
N975JS
Make and model
Cessna 750
Aircraft serial
7500150
Aircraft time
9,222 hours, 5,406 cycles
Part
A/C Pack
Condition
Overheated
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
M, J
Precautionary procedure
B

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

What was found

CABIN PACK OVERHEAT CAS MESSAGE ACCOMPANIED WITH AN ASSOCIATED SLOW DEPRESSURIZATION OF THE CABIN; EMERGENCY DECENT PROCEDURE WAS PERFORMED WITH CABIN ALTITUDE OVER 14,000 FEET. MESSAGE DISAPPEARED ABOUT 5 MINUTES AFTER AND AIRFLOW REESTABLISHED; CABIN ALTITUDE WAS CONTROLLABLE UNDER EMERGENCY MODE.

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