SDR DALA2025062304664

Service difficulty report · Bypass Valve · Airbus A320212

Difficulty date: June 20, 2025
Submitted: June 23, 2025
Operation: Air carrier
Aircraft: N344NW
Make and model: Airbus A320212
Aircraft serial: 388
Aircraft time: 95,296 hours, 44,136 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Bypass Valve
Condition: Faulted
Location: Zone 100
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

SHIP 3244 - ATB - DUE TO THE CABIN UNABLE TO MAINTAIN PRESSURIZATION (CAB PR EXCESS CAB ALT ECAM WARNING). CORRECTIVE ACTION: REPLACED BYPASS VALVE AND ANTI-ICE VALVE (17HH). ALSO, FOUND TWO DUCTS IN THE LEFT SYSTEM, AND TWO TAPPING SEALS IN THE LH WING ANTI-ICE DUCT LEAKING, REPLACED APU SUPPLY DUCT IN WHEEL WELL CENTER, AND TAPPING SEALS. (LP: 7382510)

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