SDR CALA2026042015540

Service difficulty report · Check Valve · Airbus A319131

Difficulty date: April 17, 2026
Submitted: April 20, 2026
Operation: Air carrier
Aircraft: N817UA
Make and model: Airbus A319131
Aircraft serial: 873
Aircraft time: 82,222 hours, 36,189 cycles
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Check Valve
Part number: 9811820
Condition: Faulted
Location: Nr 1 Engine
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: E

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

What was found

TEST FLIGHT DISCREPANCY, NR 1 ENG FIRE HANDLE DID NOT SHUT DOWN THE ENGINE. REMOVED AND REPLACED NR 1 ENG FUEL RECIRCULATION CHECK VALVE IAW AMM 28-16-42-400-001-A. OPS CHECK GOOD, NO LEAKS NOTED. PERFORMED POST FLIGHT PF-6 ENGINE FIRE SHUTDOWN OPERATION CHECK IAW WITH FLT TEST POST FLIGHT MANUAL STEP 12.6.

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