Service difficulty report · Heat Exchanger · Airbus A319112

Difficulty date
October 8, 2026
Submitted
October 11, 2026
Operation
Air carrier
Aircraft
N746UW
Make and model
Airbus A319112
Aircraft serial
1297
Aircraft time
66,294 hours, 41,712 cycles
Part
Heat Exchanger
Condition
Damaged
Location
Zone 100
Stage of operation
CL
How discovered
O
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

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO THE FLIGHT CREW REPORTING THAT CABIN PRESSURE CLIMBED OUT OF RANGE DURING CLIMB THROUGH 35000 FT - CABIN PRESSURE RETURNED TO LIMITS WHEN AIRCRAFT DESCENDED BELOW 30000 FT AND PACK FLOW SWITCH IN HIGH - CABIN SEEMS TO CLIMB WHENEVER PACK FLOW SWITCH IS NOT IN HIGH. (OPEN)

More about the Airbus A319-112