SDR 2005UALA00438

Service difficulty report · Bleed Air Sys · Airbus A320232

Difficulty date: May 10, 2005
Submitted: May 17, 2005
Operation: Air carrier
Aircraft: N496UA
Make and model: Airbus A320232
Aircraft serial: 1845
Aircraft time: 8,979 hours, 3,851 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Bleed Air Sys
Condition: Tripped
Location: Nr 1
Stage of operation: CR
How discovered: O
Nature of condition: J, G
Precautionary procedure: B

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

What was found

NUMBER 1 BLEED TRIPPED OFF. CABIN DEPRESSURIZED. NUMBER 2 BLEED AND APU PREVIOUSLY DEFERRED. NR 1 BLEED TRIPPED 45 MINUTES AFTER TAKEOFF. NR 2 AND APU WERE PREVIOUSLY DEFERRED INOP. AT 9000 FEET, NR 1 BLEED WAS TURNED BACK ON AND APPEARED TO HOLDING STEADY. REPLACED NR 1 ENGINE FAN AIR SENSOR/THERMOSTAT CONTROL (7170HM) PER IPC-36-11-06-06B. ALSO REPLACED RIGHT PACK RAM AIR INLET ACTUATOR (28HH) PER MM-21-61-51 DUE TO FAILURE DURING TEMPERATURE CONTROL TEST. OP CHECKS NORMAL. MR21603, PCN 565-9202

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