Service difficulty report · Controller · Airbus A319131

Difficulty date
May 18, 2026
Submitted
May 20, 2026
Operation
Air carrier
Aircraft
N854UA
Make and model
Airbus A319131
Aircraft serial
1731
Aircraft time
72,254 hours, 32,543 cycles
Part
Controller
Part number
775D000001
Part serial
565
Condition
Faulted
Location
Zone 100
Part time
18,026 hours, 8,423 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

COND ZONE REGUL FAULT EC AM ON CLB. TEMP CLBED AN D MAINTANED AB OVE 90F UNTIL DESCENT T/S PER TSM TASK 21-63-00-810-827-A & R/R ZONE TEMP CNTRL. PER AMM 21-83-34-400-001-A. OPS CHECK PASS OPS CHK TEMP CONTROL SYS PER AMM 21-63-00-710-004-A. NO FAULTS FOUND. RAN APU AND PACKS TEMP STAYED COLD.

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