SDR AALA20170716003

Service difficulty report · Regulator Valve · Airbus A321231

Difficulty date: July 16, 2017
Submitted: July 17, 2017
Operation: Air carrier
Aircraft: N132AN
Make and model: Airbus A321231
Aircraft serial: 6473
Aircraft time: 8,629 hours, 2,579 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Regulator Valve
Condition: Faulted
Location: Nr 1 Engine
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

SHORTLY AFTER TAKEOFF, DURING CLIMB, ECAM MESSAGE FOR AIR NR 1 ENGINE BLEED FAULT. AN EMERGENCY WAS DECLARED, LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT IAW TSM 36-11-00-810-972-A, AND FOUND NR 1 ENGINE BLEED PRESSURE REGULATOR VALVE NOT WORKING. REPLACED REGULATOR VALVE IAW AMM 36-11-52. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK. AIRCRAFT WAS GROUNDED.

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