Service difficulty report · Acm · Boeing 737522

Difficulty date
April 10, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N921UA
Make and model
Boeing 737522
Aircraft serial
25388
Engine
Ge CFM56*
Part
Acm
Condition
Failed
Location
Right
Part time
21,554 hours
Component
20405011
Stage of operation
CL
Nature of condition
O
Precautionary procedure
A

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

What was found

AIRCRAFT WOULD NOT PRESSURIZE. FOUND RIGHT PACK AIR CYCLE MACHINE SEIZED. REPLACED RIGHT AIR CYCLE MACHINE. OPS CHECK OK.