Service difficulty report · Acm · Boeing 727222

Difficulty date
August 18, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N7297U
Make and model
Boeing 727222
Aircraft serial
21892
Engine
Pwa JT8D15
Part
Acm
Condition
Failed
Location
Cabin
Component
Airesearch · 2040751MOD
Stage of operation
DE
Nature of condition
J
Precautionary procedure
O

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

What was found

CABIN PRESSURE CANNOT BE MAINTAINED IN AUTO. CABIN ALTITUDE RISES IN DESCENT. *S/D* AIR CYCLE MACHINE FAILED. REPLACED AIR CYCLE MACHINE.