SDR AALA202511263637

Service difficulty report · Regulator Valve · Airbus A319112

Difficulty date: November 24, 2025
Submitted: November 26, 2025
Operation: Air carrier
Aircraft: N757UW
Make and model: Airbus A319112
Aircraft serial: 1342
Aircraft time: 60,319 hours, 40,904 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Regulator Valve
Part number: 6774E010000
Part serial: 01198
Condition: Inoperative
Location: Zone 600
Part time: 60,495 hours, 2,922 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

AIRCRAFT WAS GROUNDED: AIR INTERRUPT BACK T MIA DUE TO ABNORMAL BLEED PRESSURE #2 ENGINE. FLIGHT LANDED OVERWEIGHT WITHOUT INCIDENT, NO EMERGENCY DECLARED. MAINTENANCE REPLACED # 2 ENGINE PRV IAWAMM 36-11-52, PRESSURE TRANSDUCER 8HA IAW AMM 36-11-16, BLEED PRESSURE SOLENOID 10HA IAW AMM 36-11-55, HP VALVE IAW AMM 35-11-51.

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